Home / 1,587,936.33-2,380,565.51-688,700.79

Finding the Fourth Proportional to 1,587,936.33, 2,380,565.51 and 688,700.79

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Solution

The fourth proportional to 1,587,936.33, 2,380,565.51 and 688,700.79 is: 1,032,470.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,587,936.33 : 2,380,565.51 = 688,700.79 : x
  2. Step 2: Convert to fraction form
    1,587,936.33/2,380,565.51 = 688,700.79/x
  3. Step 3: Cross multiply
    1,587,936.33x = 2,380,565.51 × 688,700.79
  4. Step 4: Simplify right side
    1,587,936.33x = 1,639,497,343,940.25
  5. Step 5: Solve for x
    x = 1,639,497,343,940.25/1,587,936.33
  6. Step 6: Final answer
    x = 1,032,470.45

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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.