Home / 1,044,891.30-1,564,712.55-687,972.90

Finding the Fourth Proportional to 1,044,891.30, 1,564,712.55 and 687,972.90

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Solution

The fourth proportional to 1,044,891.30, 1,564,712.55 and 687,972.90 is: 1,030,231.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,044,891.30 : 1,564,712.55 = 687,972.90 : x
  2. Step 2: Convert to fraction form
    1,044,891.30/1,564,712.55 = 687,972.90/x
  3. Step 3: Cross multiply
    1,044,891.30x = 1,564,712.55 × 687,972.90
  4. Step 4: Simplify right side
    1,044,891.30x = 1,076,479,830,689.90
  5. Step 5: Solve for x
    x = 1,076,479,830,689.90/1,044,891.30
  6. Step 6: Final answer
    x = 1,030,231.40

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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.