Home / 982,874.70-1,356,785.57-660,771.63

Finding the Fourth Proportional to 982,874.70, 1,356,785.57 and 660,771.63

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Solution

The fourth proportional to 982,874.70, 1,356,785.57 and 660,771.63 is: 912,146.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,874.70 : 1,356,785.57 = 660,771.63 : x
  2. Step 2: Convert to fraction form
    982,874.70/1,356,785.57 = 660,771.63/x
  3. Step 3: Cross multiply
    982,874.70x = 1,356,785.57 × 660,771.63
  4. Step 4: Simplify right side
    982,874.70x = 896,525,414,301.31
  5. Step 5: Solve for x
    x = 896,525,414,301.31/982,874.70
  6. Step 6: Final answer
    x = 912,146.19

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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.