Home / 1,098,876.40-1,647,527.40-424,380.40

Finding the Fourth Proportional to 1,098,876.40, 1,647,527.40 and 424,380.40

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Solution

The fourth proportional to 1,098,876.40, 1,647,527.40 and 424,380.40 is: 636,266.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,876.40 : 1,647,527.40 = 424,380.40 : x
  2. Step 2: Convert to fraction form
    1,098,876.40/1,647,527.40 = 424,380.40/x
  3. Step 3: Cross multiply
    1,098,876.40x = 1,647,527.40 × 424,380.40
  4. Step 4: Simplify right side
    1,098,876.40x = 699,178,337,022.96
  5. Step 5: Solve for x
    x = 699,178,337,022.96/1,098,876.40
  6. Step 6: Final answer
    x = 636,266.59

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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.