Home / 801,235.13-1,200,124.87-754,127.15

Finding the Fourth Proportional to 801,235.13, 1,200,124.87 and 754,127.15

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Solution

The fourth proportional to 801,235.13, 1,200,124.87 and 754,127.15 is: 1,129,564.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,235.13 : 1,200,124.87 = 754,127.15 : x
  2. Step 2: Convert to fraction form
    801,235.13/1,200,124.87 = 754,127.15/x
  3. Step 3: Cross multiply
    801,235.13x = 1,200,124.87 × 754,127.15
  4. Step 4: Simplify right side
    801,235.13x = 905,046,739,971.28
  5. Step 5: Solve for x
    x = 905,046,739,971.28/801,235.13
  6. Step 6: Final answer
    x = 1,129,564.48

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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.