Home / 1,343,138.46-1,853,437.38-762,373.50

Finding the Fourth Proportional to 1,343,138.46, 1,853,437.38 and 762,373.50

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Solution

The fourth proportional to 1,343,138.46, 1,853,437.38 and 762,373.50 is: 1,052,022.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,343,138.46 : 1,853,437.38 = 762,373.50 : x
  2. Step 2: Convert to fraction form
    1,343,138.46/1,853,437.38 = 762,373.50/x
  3. Step 3: Cross multiply
    1,343,138.46x = 1,853,437.38 × 762,373.50
  4. Step 4: Simplify right side
    1,343,138.46x = 1,413,011,542,421.43
  5. Step 5: Solve for x
    x = 1,413,011,542,421.43/1,343,138.46
  6. Step 6: Final answer
    x = 1,052,022.25

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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.