Home / 1,399,108.24-2,098,427.58-388,332.88

Finding the Fourth Proportional to 1,399,108.24, 2,098,427.58 and 388,332.88

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Solution

The fourth proportional to 1,399,108.24, 2,098,427.58 and 388,332.88 is: 582,434.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,399,108.24 : 2,098,427.58 = 388,332.88 : x
  2. Step 2: Convert to fraction form
    1,399,108.24/2,098,427.58 = 388,332.88/x
  3. Step 3: Cross multiply
    1,399,108.24x = 2,098,427.58 × 388,332.88
  4. Step 4: Simplify right side
    1,399,108.24x = 814,888,425,612.83
  5. Step 5: Solve for x
    x = 814,888,425,612.83/1,399,108.24
  6. Step 6: Final answer
    x = 582,434.16

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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.