Home / 1,073,240.20-1,609,860.30-992,139.40

Finding the Fourth Proportional to 1,073,240.20, 1,609,860.30 and 992,139.40

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Solution

The fourth proportional to 1,073,240.20, 1,609,860.30 and 992,139.40 is: 1,488,209.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,073,240.20 : 1,609,860.30 = 992,139.40 : x
  2. Step 2: Convert to fraction form
    1,073,240.20/1,609,860.30 = 992,139.40/x
  3. Step 3: Cross multiply
    1,073,240.20x = 1,609,860.30 × 992,139.40
  4. Step 4: Simplify right side
    1,073,240.20x = 1,597,205,832,125.82
  5. Step 5: Solve for x
    x = 1,597,205,832,125.82/1,073,240.20
  6. Step 6: Final answer
    x = 1,488,209.10

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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.