Home / 1,103,891.40-1,655,837.10-725,977.80

Finding the Fourth Proportional to 1,103,891.40, 1,655,837.10 and 725,977.80

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Solution

The fourth proportional to 1,103,891.40, 1,655,837.10 and 725,977.80 is: 1,088,966.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,103,891.40 : 1,655,837.10 = 725,977.80 : x
  2. Step 2: Convert to fraction form
    1,103,891.40/1,655,837.10 = 725,977.80/x
  3. Step 3: Cross multiply
    1,103,891.40x = 1,655,837.10 × 725,977.80
  4. Step 4: Simplify right side
    1,103,891.40x = 1,202,100,975,016.38
  5. Step 5: Solve for x
    x = 1,202,100,975,016.38/1,103,891.40
  6. Step 6: Final answer
    x = 1,088,966.70

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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.