Home / 977,501.20-1,466,446.20-820,814.80

Finding the Fourth Proportional to 977,501.20, 1,466,446.20 and 820,814.80

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Solution

The fourth proportional to 977,501.20, 1,466,446.20 and 820,814.80 is: 1,231,385.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,501.20 : 1,466,446.20 = 820,814.80 : x
  2. Step 2: Convert to fraction form
    977,501.20/1,466,446.20 = 820,814.80/x
  3. Step 3: Cross multiply
    977,501.20x = 1,466,446.20 × 820,814.80
  4. Step 4: Simplify right side
    977,501.20x = 1,203,680,744,363.76
  5. Step 5: Solve for x
    x = 1,203,680,744,363.76/977,501.20
  6. Step 6: Final answer
    x = 1,231,385.44

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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.