Home / 1,104,002.90-1,656,004.35-345,907.70

Finding the Fourth Proportional to 1,104,002.90, 1,656,004.35 and 345,907.70

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Solution

The fourth proportional to 1,104,002.90, 1,656,004.35 and 345,907.70 is: 518,861.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,104,002.90 : 1,656,004.35 = 345,907.70 : x
  2. Step 2: Convert to fraction form
    1,104,002.90/1,656,004.35 = 345,907.70/x
  3. Step 3: Cross multiply
    1,104,002.90x = 1,656,004.35 × 345,907.70
  4. Step 4: Simplify right side
    1,104,002.90x = 572,824,655,898.50
  5. Step 5: Solve for x
    x = 572,824,655,898.50/1,104,002.90
  6. Step 6: Final answer
    x = 518,861.55

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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.