Home / 1,104,015.40-1,656,023.10-345,920.20

Finding the Fourth Proportional to 1,104,015.40, 1,656,023.10 and 345,920.20

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Solution

The fourth proportional to 1,104,015.40, 1,656,023.10 and 345,920.20 is: 518,880.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,104,015.40 : 1,656,023.10 = 345,920.20 : x
  2. Step 2: Convert to fraction form
    1,104,015.40/1,656,023.10 = 345,920.20/x
  3. Step 3: Cross multiply
    1,104,015.40x = 1,656,023.10 × 345,920.20
  4. Step 4: Simplify right side
    1,104,015.40x = 572,851,841,956.62
  5. Step 5: Solve for x
    x = 572,851,841,956.62/1,104,015.40
  6. Step 6: Final answer
    x = 518,880.30

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.