Home / 1,432,079.08-1,976,283.42-787,503.88

Finding the Fourth Proportional to 1,432,079.08, 1,976,283.42 and 787,503.88

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Solution

The fourth proportional to 1,432,079.08, 1,976,283.42 and 787,503.88 is: 1,086,763.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,079.08 : 1,976,283.42 = 787,503.88 : x
  2. Step 2: Convert to fraction form
    1,432,079.08/1,976,283.42 = 787,503.88/x
  3. Step 3: Cross multiply
    1,432,079.08x = 1,976,283.42 × 787,503.88
  4. Step 4: Simplify right side
    1,432,079.08x = 1,556,330,861,229.67
  5. Step 5: Solve for x
    x = 1,556,330,861,229.67/1,432,079.08
  6. Step 6: Final answer
    x = 1,086,763.21

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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.