Home / 977,487.70-1,466,231.55-820,023.70

Finding the Fourth Proportional to 977,487.70, 1,466,231.55 and 820,023.70

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Solution

The fourth proportional to 977,487.70, 1,466,231.55 and 820,023.70 is: 1,230,035.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,487.70 : 1,466,231.55 = 820,023.70 : x
  2. Step 2: Convert to fraction form
    977,487.70/1,466,231.55 = 820,023.70/x
  3. Step 3: Cross multiply
    977,487.70x = 1,466,231.55 × 820,023.70
  4. Step 4: Simplify right side
    977,487.70x = 1,202,344,620,687.73
  5. Step 5: Solve for x
    x = 1,202,344,620,687.73/977,487.70
  6. Step 6: Final answer
    x = 1,230,035.55

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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.