Home / 1,373,995.05-1,896,143.56-762,127.88

Finding the Fourth Proportional to 1,373,995.05, 1,896,143.56 and 762,127.88

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Solution

The fourth proportional to 1,373,995.05, 1,896,143.56 and 762,127.88 is: 1,051,753.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,373,995.05 : 1,896,143.56 = 762,127.88 : x
  2. Step 2: Convert to fraction form
    1,373,995.05/1,896,143.56 = 762,127.88/x
  3. Step 3: Cross multiply
    1,373,995.05x = 1,896,143.56 × 762,127.88
  4. Step 4: Simplify right side
    1,373,995.05x = 1,445,103,867,747.81
  5. Step 5: Solve for x
    x = 1,445,103,867,747.81/1,373,995.05
  6. Step 6: Final answer
    x = 1,051,753.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.