Home / 1,387,250.44-2,079,171.42-788,712.28

Finding the Fourth Proportional to 1,387,250.44, 2,079,171.42 and 788,712.28

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Solution

The fourth proportional to 1,387,250.44, 2,079,171.42 and 788,712.28 is: 1,182,099.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,387,250.44 : 2,079,171.42 = 788,712.28 : x
  2. Step 2: Convert to fraction form
    1,387,250.44/2,079,171.42 = 788,712.28/x
  3. Step 3: Cross multiply
    1,387,250.44x = 2,079,171.42 × 788,712.28
  4. Step 4: Simplify right side
    1,387,250.44x = 1,639,868,031,179.04
  5. Step 5: Solve for x
    x = 1,639,868,031,179.04/1,387,250.44
  6. Step 6: Final answer
    x = 1,182,099.49

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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.