Home / 1,199,158.80-1,655,007.91-763,436.95

Finding the Fourth Proportional to 1,199,158.80, 1,655,007.91 and 763,436.95

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Solution

The fourth proportional to 1,199,158.80, 1,655,007.91 and 763,436.95 is: 1,053,650.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,199,158.80 : 1,655,007.91 = 763,436.95 : x
  2. Step 2: Convert to fraction form
    1,199,158.80/1,655,007.91 = 763,436.95/x
  3. Step 3: Cross multiply
    1,199,158.80x = 1,655,007.91 × 763,436.95
  4. Step 4: Simplify right side
    1,199,158.80x = 1,263,494,189,284.50
  5. Step 5: Solve for x
    x = 1,263,494,189,284.50/1,199,158.80
  6. Step 6: Final answer
    x = 1,053,650.44

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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.