Home / 1,308,639.30-1,962,959.22-410,080.86

Finding the Fourth Proportional to 1,308,639.30, 1,962,959.22 and 410,080.86

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Solution

The fourth proportional to 1,308,639.30, 1,962,959.22 and 410,080.86 is: 615,121.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,308,639.30 : 1,962,959.22 = 410,080.86 : x
  2. Step 2: Convert to fraction form
    1,308,639.30/1,962,959.22 = 410,080.86/x
  3. Step 3: Cross multiply
    1,308,639.30x = 1,962,959.22 × 410,080.86
  4. Step 4: Simplify right side
    1,308,639.30x = 804,972,005,082.53
  5. Step 5: Solve for x
    x = 804,972,005,082.53/1,308,639.30
  6. Step 6: Final answer
    x = 615,121.37

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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.