Home / 746,585.40-1,119,882.15-185,619.90

Finding the Fourth Proportional to 746,585.40, 1,119,882.15 and 185,619.90

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Solution

The fourth proportional to 746,585.40, 1,119,882.15 and 185,619.90 is: 278,430.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,585.40 : 1,119,882.15 = 185,619.90 : x
  2. Step 2: Convert to fraction form
    746,585.40/1,119,882.15 = 185,619.90/x
  3. Step 3: Cross multiply
    746,585.40x = 1,119,882.15 × 185,619.90
  4. Step 4: Simplify right side
    746,585.40x = 207,872,412,694.79
  5. Step 5: Solve for x
    x = 207,872,412,694.79/746,585.40
  6. Step 6: Final answer
    x = 278,430.86

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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.