Home / 672,462.20-1,010,661.60-660,652.40

Finding the Fourth Proportional to 672,462.20, 1,010,661.60 and 660,652.40

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Solution

The fourth proportional to 672,462.20, 1,010,661.60 and 660,652.40 is: 992,912.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,462.20 : 1,010,661.60 = 660,652.40 : x
  2. Step 2: Convert to fraction form
    672,462.20/1,010,661.60 = 660,652.40/x
  3. Step 3: Cross multiply
    672,462.20x = 1,010,661.60 × 660,652.40
  4. Step 4: Simplify right side
    672,462.20x = 667,696,011,627.84
  5. Step 5: Solve for x
    x = 667,696,011,627.84/672,462.20
  6. Step 6: Final answer
    x = 992,912.33

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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.