Home / 1,224,601.70-1,836,465.15-425,909.30

Finding the Fourth Proportional to 1,224,601.70, 1,836,465.15 and 425,909.30

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Solution

The fourth proportional to 1,224,601.70, 1,836,465.15 and 425,909.30 is: 638,711.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224,601.70 : 1,836,465.15 = 425,909.30 : x
  2. Step 2: Convert to fraction form
    1,224,601.70/1,836,465.15 = 425,909.30/x
  3. Step 3: Cross multiply
    1,224,601.70x = 1,836,465.15 × 425,909.30
  4. Step 4: Simplify right side
    1,224,601.70x = 782,167,586,510.90
  5. Step 5: Solve for x
    x = 782,167,586,510.90/1,224,601.70
  6. Step 6: Final answer
    x = 638,711.82

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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.