Home / 1,234,842.30-1,853,429.85-762,450.30

Finding the Fourth Proportional to 1,234,842.30, 1,853,429.85 and 762,450.30

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Solution

The fourth proportional to 1,234,842.30, 1,853,429.85 and 762,450.30 is: 1,144,395.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,234,842.30 : 1,853,429.85 = 762,450.30 : x
  2. Step 2: Convert to fraction form
    1,234,842.30/1,853,429.85 = 762,450.30/x
  3. Step 3: Cross multiply
    1,234,842.30x = 1,853,429.85 × 762,450.30
  4. Step 4: Simplify right side
    1,234,842.30x = 1,413,148,145,161.46
  5. Step 5: Solve for x
    x = 1,413,148,145,161.46/1,234,842.30
  6. Step 6: Final answer
    x = 1,144,395.64

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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.