Home / 1,766,148.92-2,649,618.38-644,217.88

Finding the Fourth Proportional to 1,766,148.92, 2,649,618.38 and 644,217.88

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Solution

The fourth proportional to 1,766,148.92, 2,649,618.38 and 644,217.88 is: 966,470.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,766,148.92 : 2,649,618.38 = 644,217.88 : x
  2. Step 2: Convert to fraction form
    1,766,148.92/2,649,618.38 = 644,217.88/x
  3. Step 3: Cross multiply
    1,766,148.92x = 2,649,618.38 × 644,217.88
  4. Step 4: Simplify right side
    1,766,148.92x = 1,706,931,535,572.63
  5. Step 5: Solve for x
    x = 1,706,931,535,572.63/1,766,148.92
  6. Step 6: Final answer
    x = 966,470.90

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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.