Home / 1,011,367.76-1,517,109.92-380,287.04

Finding the Fourth Proportional to 1,011,367.76, 1,517,109.92 and 380,287.04

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Solution

The fourth proportional to 1,011,367.76, 1,517,109.92 and 380,287.04 is: 570,452.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,367.76 : 1,517,109.92 = 380,287.04 : x
  2. Step 2: Convert to fraction form
    1,011,367.76/1,517,109.92 = 380,287.04/x
  3. Step 3: Cross multiply
    1,011,367.76x = 1,517,109.92 × 380,287.04
  4. Step 4: Simplify right side
    1,011,367.76x = 576,937,231,344.45
  5. Step 5: Solve for x
    x = 576,937,231,344.45/1,011,367.76
  6. Step 6: Final answer
    x = 570,452.47

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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.