Home / 977,518.70-1,466,472.45-820,832.30

Finding the Fourth Proportional to 977,518.70, 1,466,472.45 and 820,832.30

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Solution

The fourth proportional to 977,518.70, 1,466,472.45 and 820,832.30 is: 1,231,411.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,518.70 : 1,466,472.45 = 820,832.30 : x
  2. Step 2: Convert to fraction form
    977,518.70/1,466,472.45 = 820,832.30/x
  3. Step 3: Cross multiply
    977,518.70x = 1,466,472.45 × 820,832.30
  4. Step 4: Simplify right side
    977,518.70x = 1,203,727,954,020.14
  5. Step 5: Solve for x
    x = 1,203,727,954,020.14/977,518.70
  6. Step 6: Final answer
    x = 1,231,411.69

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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.