Home / 1,337,124.69-2,005,472.75-426,188.79

Finding the Fourth Proportional to 1,337,124.69, 2,005,472.75 and 426,188.79

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Solution

The fourth proportional to 1,337,124.69, 2,005,472.75 and 426,188.79 is: 639,214.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,337,124.69 : 2,005,472.75 = 426,188.79 : x
  2. Step 2: Convert to fraction form
    1,337,124.69/2,005,472.75 = 426,188.79/x
  3. Step 3: Cross multiply
    1,337,124.69x = 2,005,472.75 × 426,188.79
  4. Step 4: Simplify right side
    1,337,124.69x = 854,710,002,569.53
  5. Step 5: Solve for x
    x = 854,710,002,569.53/1,337,124.69
  6. Step 6: Final answer
    x = 639,214.88

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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.