Home / 1,333,972.29-1,840,421.75-753,122.91

Finding the Fourth Proportional to 1,333,972.29, 1,840,421.75 and 753,122.91

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Solution

The fourth proportional to 1,333,972.29, 1,840,421.75 and 753,122.91 is: 1,039,049.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333,972.29 : 1,840,421.75 = 753,122.91 : x
  2. Step 2: Convert to fraction form
    1,333,972.29/1,840,421.75 = 753,122.91/x
  3. Step 3: Cross multiply
    1,333,972.29x = 1,840,421.75 × 753,122.91
  4. Step 4: Simplify right side
    1,333,972.29x = 1,386,063,780,221.68
  5. Step 5: Solve for x
    x = 1,386,063,780,221.68/1,333,972.29
  6. Step 6: Final answer
    x = 1,039,049.90

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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.