Home / 1,535,577.40-2,304,402.90-861,657.40

Finding the Fourth Proportional to 1,535,577.40, 2,304,402.90 and 861,657.40

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Solution

The fourth proportional to 1,535,577.40, 2,304,402.90 and 861,657.40 is: 1,293,067.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,535,577.40 : 2,304,402.90 = 861,657.40 : x
  2. Step 2: Convert to fraction form
    1,535,577.40/2,304,402.90 = 861,657.40/x
  3. Step 3: Cross multiply
    1,535,577.40x = 2,304,402.90 × 861,657.40
  4. Step 4: Simplify right side
    1,535,577.40x = 1,985,605,811,366.46
  5. Step 5: Solve for x
    x = 1,985,605,811,366.46/1,535,577.40
  6. Step 6: Final answer
    x = 1,293,067.88

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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.