Home / 1,690,143.30-2,535,380.55-492,077.70

Finding the Fourth Proportional to 1,690,143.30, 2,535,380.55 and 492,077.70

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Solution

The fourth proportional to 1,690,143.30, 2,535,380.55 and 492,077.70 is: 738,164.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,690,143.30 : 2,535,380.55 = 492,077.70 : x
  2. Step 2: Convert to fraction form
    1,690,143.30/2,535,380.55 = 492,077.70/x
  3. Step 3: Cross multiply
    1,690,143.30x = 2,535,380.55 × 492,077.70
  4. Step 4: Simplify right side
    1,690,143.30x = 1,247,604,229,668.73
  5. Step 5: Solve for x
    x = 1,247,604,229,668.73/1,690,143.30
  6. Step 6: Final answer
    x = 738,164.76

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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.