Home / 1,338,959.36-2,008,455.28-392,349.28

Finding the Fourth Proportional to 1,338,959.36, 2,008,455.28 and 392,349.28

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Solution

The fourth proportional to 1,338,959.36, 2,008,455.28 and 392,349.28 is: 588,528.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,959.36 : 2,008,455.28 = 392,349.28 : x
  2. Step 2: Convert to fraction form
    1,338,959.36/2,008,455.28 = 392,349.28/x
  3. Step 3: Cross multiply
    1,338,959.36x = 2,008,455.28 × 392,349.28
  4. Step 4: Simplify right side
    1,338,959.36x = 788,015,983,020.20
  5. Step 5: Solve for x
    x = 788,015,983,020.20/1,338,959.36
  6. Step 6: Final answer
    x = 588,528.68

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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.