Home / 1,146,150.20-1,720,002.90-745,815.80

Finding the Fourth Proportional to 1,146,150.20, 1,720,002.90 and 745,815.80

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Solution

The fourth proportional to 1,146,150.20, 1,720,002.90 and 745,815.80 is: 1,119,229.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,146,150.20 : 1,720,002.90 = 745,815.80 : x
  2. Step 2: Convert to fraction form
    1,146,150.20/1,720,002.90 = 745,815.80/x
  3. Step 3: Cross multiply
    1,146,150.20x = 1,720,002.90 × 745,815.80
  4. Step 4: Simplify right side
    1,146,150.20x = 1,282,805,338,865.82
  5. Step 5: Solve for x
    x = 1,282,805,338,865.82/1,146,150.20
  6. Step 6: Final answer
    x = 1,119,229.70

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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.