Home / 1,035,111.20-1,552,666.80-287,157.20

Finding the Fourth Proportional to 1,035,111.20, 1,552,666.80 and 287,157.20

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Solution

The fourth proportional to 1,035,111.20, 1,552,666.80 and 287,157.20 is: 430,735.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,035,111.20 : 1,552,666.80 = 287,157.20 : x
  2. Step 2: Convert to fraction form
    1,035,111.20/1,552,666.80 = 287,157.20/x
  3. Step 3: Cross multiply
    1,035,111.20x = 1,552,666.80 × 287,157.20
  4. Step 4: Simplify right side
    1,035,111.20x = 445,859,450,820.96
  5. Step 5: Solve for x
    x = 445,859,450,820.96/1,035,111.20
  6. Step 6: Final answer
    x = 430,735.80

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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.