Home / 1,264,280.11-1,744,370.16-720,404.31

Finding the Fourth Proportional to 1,264,280.11, 1,744,370.16 and 720,404.31

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Solution

The fourth proportional to 1,264,280.11, 1,744,370.16 and 720,404.31 is: 993,966.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,264,280.11 : 1,744,370.16 = 720,404.31 : x
  2. Step 2: Convert to fraction form
    1,264,280.11/1,744,370.16 = 720,404.31/x
  3. Step 3: Cross multiply
    1,264,280.11x = 1,744,370.16 × 720,404.31
  4. Step 4: Simplify right side
    1,264,280.11x = 1,256,651,781,499.39
  5. Step 5: Solve for x
    x = 1,256,651,781,499.39/1,264,280.11
  6. Step 6: Final answer
    x = 993,966.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.