Home / 1,490,194.28-2,235,624.72-543,565.04

Finding the Fourth Proportional to 1,490,194.28, 2,235,624.72 and 543,565.04

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Solution

The fourth proportional to 1,490,194.28, 2,235,624.72 and 543,565.04 is: 815,469.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490,194.28 : 2,235,624.72 = 543,565.04 : x
  2. Step 2: Convert to fraction form
    1,490,194.28/2,235,624.72 = 543,565.04/x
  3. Step 3: Cross multiply
    1,490,194.28x = 2,235,624.72 × 543,565.04
  4. Step 4: Simplify right side
    1,490,194.28x = 1,215,207,440,351.79
  5. Step 5: Solve for x
    x = 1,215,207,440,351.79/1,490,194.28
  6. Step 6: Final answer
    x = 815,469.13

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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.