Home / 977,697.20-1,466,545.80-853,281.20

Finding the Fourth Proportional to 977,697.20, 1,466,545.80 and 853,281.20

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Solution

The fourth proportional to 977,697.20, 1,466,545.80 and 853,281.20 is: 1,279,921.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,697.20 : 1,466,545.80 = 853,281.20 : x
  2. Step 2: Convert to fraction form
    977,697.20/1,466,545.80 = 853,281.20/x
  3. Step 3: Cross multiply
    977,697.20x = 1,466,545.80 × 853,281.20
  4. Step 4: Simplify right side
    977,697.20x = 1,251,375,960,078.96
  5. Step 5: Solve for x
    x = 1,251,375,960,078.96/977,697.20
  6. Step 6: Final answer
    x = 1,279,921.80

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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.