Home / 1,399,642.75-2,098,213.89-546,515.92

Finding the Fourth Proportional to 1,399,642.75, 2,098,213.89 and 546,515.92

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Solution

The fourth proportional to 1,399,642.75, 2,098,213.89 and 546,515.92 is: 819,285.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,399,642.75 : 2,098,213.89 = 546,515.92 : x
  2. Step 2: Convert to fraction form
    1,399,642.75/2,098,213.89 = 546,515.92/x
  3. Step 3: Cross multiply
    1,399,642.75x = 2,098,213.89 × 546,515.92
  4. Step 4: Simplify right side
    1,399,642.75x = 1,146,707,297,072.90
  5. Step 5: Solve for x
    x = 1,146,707,297,072.90/1,399,642.75
  6. Step 6: Final answer
    x = 819,285.70

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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.