Home / 999,126.33-1,498,463.45-458,863.21

Finding the Fourth Proportional to 999,126.33, 1,498,463.45 and 458,863.21

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Solution

The fourth proportional to 999,126.33, 1,498,463.45 and 458,863.21 is: 688,191.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,126.33 : 1,498,463.45 = 458,863.21 : x
  2. Step 2: Convert to fraction form
    999,126.33/1,498,463.45 = 458,863.21/x
  3. Step 3: Cross multiply
    999,126.33x = 1,498,463.45 × 458,863.21
  4. Step 4: Simplify right side
    999,126.33x = 687,589,750,034.18
  5. Step 5: Solve for x
    x = 687,589,750,034.18/999,126.33
  6. Step 6: Final answer
    x = 688,191.00

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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.