Home / 1,271,899.40-1,754,838.42-762,415.88

Finding the Fourth Proportional to 1,271,899.40, 1,754,838.42 and 762,415.88

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Solution

The fourth proportional to 1,271,899.40, 1,754,838.42 and 762,415.88 is: 1,051,904.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,271,899.40 : 1,754,838.42 = 762,415.88 : x
  2. Step 2: Convert to fraction form
    1,271,899.40/1,754,838.42 = 762,415.88/x
  3. Step 3: Cross multiply
    1,271,899.40x = 1,754,838.42 × 762,415.88
  4. Step 4: Simplify right side
    1,271,899.40x = 1,337,916,678,242.11
  5. Step 5: Solve for x
    x = 1,337,916,678,242.11/1,271,899.40
  6. Step 6: Final answer
    x = 1,051,904.48

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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.