Home / 1,342,652.60-2,013,978.90-745,455.80

Finding the Fourth Proportional to 1,342,652.60, 2,013,978.90 and 745,455.80

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Solution

The fourth proportional to 1,342,652.60, 2,013,978.90 and 745,455.80 is: 1,118,183.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,342,652.60 : 2,013,978.90 = 745,455.80 : x
  2. Step 2: Convert to fraction form
    1,342,652.60/2,013,978.90 = 745,455.80/x
  3. Step 3: Cross multiply
    1,342,652.60x = 2,013,978.90 × 745,455.80
  4. Step 4: Simplify right side
    1,342,652.60x = 1,501,332,252,082.62
  5. Step 5: Solve for x
    x = 1,501,332,252,082.62/1,342,652.60
  6. Step 6: Final answer
    x = 1,118,183.70

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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.