Home / 1,441,130.18-1,988,724.96-787,726.87

Finding the Fourth Proportional to 1,441,130.18, 1,988,724.96 and 787,726.87

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Solution

The fourth proportional to 1,441,130.18, 1,988,724.96 and 787,726.87 is: 1,087,044.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,441,130.18 : 1,988,724.96 = 787,726.87 : x
  2. Step 2: Convert to fraction form
    1,441,130.18/1,988,724.96 = 787,726.87/x
  3. Step 3: Cross multiply
    1,441,130.18x = 1,988,724.96 × 787,726.87
  4. Step 4: Simplify right side
    1,441,130.18x = 1,566,572,083,059.86
  5. Step 5: Solve for x
    x = 1,566,572,083,059.86/1,441,130.18
  6. Step 6: Final answer
    x = 1,087,044.12

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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.