Home / 977,520.70-1,466,475.45-820,834.30

Finding the Fourth Proportional to 977,520.70, 1,466,475.45 and 820,834.30

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Solution

The fourth proportional to 977,520.70, 1,466,475.45 and 820,834.30 is: 1,231,414.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,520.70 : 1,466,475.45 = 820,834.30 : x
  2. Step 2: Convert to fraction form
    977,520.70/1,466,475.45 = 820,834.30/x
  3. Step 3: Cross multiply
    977,520.70x = 1,466,475.45 × 820,834.30
  4. Step 4: Simplify right side
    977,520.70x = 1,203,733,349,467.94
  5. Step 5: Solve for x
    x = 1,203,733,349,467.94/977,520.70
  6. Step 6: Final answer
    x = 1,231,414.69

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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.