Home / 982,874.95-1,356,785.92-660,771.88

Finding the Fourth Proportional to 982,874.95, 1,356,785.92 and 660,771.88

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Solution

The fourth proportional to 982,874.95, 1,356,785.92 and 660,771.88 is: 912,146.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,874.95 : 1,356,785.92 = 660,771.88 : x
  2. Step 2: Convert to fraction form
    982,874.95/1,356,785.92 = 660,771.88/x
  3. Step 3: Cross multiply
    982,874.95x = 1,356,785.92 × 660,771.88
  4. Step 4: Simplify right side
    982,874.95x = 896,525,983,115.93
  5. Step 5: Solve for x
    x = 896,525,983,115.93/982,874.95
  6. Step 6: Final answer
    x = 912,146.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.