Home / 1,007,719.48-1,512,063.20-628,542.88

Finding the Fourth Proportional to 1,007,719.48, 1,512,063.20 and 628,542.88

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Solution

The fourth proportional to 1,007,719.48, 1,512,063.20 and 628,542.88 is: 943,116.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,719.48 : 1,512,063.20 = 628,542.88 : x
  2. Step 2: Convert to fraction form
    1,007,719.48/1,512,063.20 = 628,542.88/x
  3. Step 3: Cross multiply
    1,007,719.48x = 1,512,063.20 × 628,542.88
  4. Step 4: Simplify right side
    1,007,719.48x = 950,396,558,470.02
  5. Step 5: Solve for x
    x = 950,396,558,470.02/1,007,719.48
  6. Step 6: Final answer
    x = 943,116.19

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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.