Home / 1,407,288.61-1,942,064.97-762,708.64

Finding the Fourth Proportional to 1,407,288.61, 1,942,064.97 and 762,708.64

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Solution

The fourth proportional to 1,407,288.61, 1,942,064.97 and 762,708.64 is: 1,052,541.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,407,288.61 : 1,942,064.97 = 762,708.64 : x
  2. Step 2: Convert to fraction form
    1,407,288.61/1,942,064.97 = 762,708.64/x
  3. Step 3: Cross multiply
    1,407,288.61x = 1,942,064.97 × 762,708.64
  4. Step 4: Simplify right side
    1,407,288.61x = 1,481,229,732,060.34
  5. Step 5: Solve for x
    x = 1,481,229,732,060.34/1,407,288.61
  6. Step 6: Final answer
    x = 1,052,541.55

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