Home / 1,271,895.90-1,754,833.59-762,412.38

Finding the Fourth Proportional to 1,271,895.90, 1,754,833.59 and 762,412.38

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Solution

The fourth proportional to 1,271,895.90, 1,754,833.59 and 762,412.38 is: 1,051,899.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,271,895.90 : 1,754,833.59 = 762,412.38 : x
  2. Step 2: Convert to fraction form
    1,271,895.90/1,754,833.59 = 762,412.38/x
  3. Step 3: Cross multiply
    1,271,895.90x = 1,754,833.59 × 762,412.38
  4. Step 4: Simplify right side
    1,271,895.90x = 1,337,906,853,855.84
  5. Step 5: Solve for x
    x = 1,337,906,853,855.84/1,271,895.90
  6. Step 6: Final answer
    x = 1,051,899.65

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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.