Home / 1,202,078.88-1,803,176.64-991,332

Finding the Fourth Proportional to 1,202,078.88, 1,803,176.64 and 991,332

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Solution

The fourth proportional to 1,202,078.88, 1,803,176.64 and 991,332 is: 1,487,046.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,202,078.88 : 1,803,176.64 = 991,332 : x
  2. Step 2: Convert to fraction form
    1,202,078.88/1,803,176.64 = 991,332/x
  3. Step 3: Cross multiply
    1,202,078.88x = 1,803,176.64 × 991,332
  4. Step 4: Simplify right side
    1,202,078.88x = 1,787,546,704,884.48
  5. Step 5: Solve for x
    x = 1,787,546,704,884.48/1,202,078.88
  6. Step 6: Final answer
    x = 1,487,046.10

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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.