Home / 1,271,720.52-1,755,005.94-690,943.82

Finding the Fourth Proportional to 1,271,720.52, 1,755,005.94 and 690,943.82

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Solution

The fourth proportional to 1,271,720.52, 1,755,005.94 and 690,943.82 is: 953,519.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,271,720.52 : 1,755,005.94 = 690,943.82 : x
  2. Step 2: Convert to fraction form
    1,271,720.52/1,755,005.94 = 690,943.82/x
  3. Step 3: Cross multiply
    1,271,720.52x = 1,755,005.94 × 690,943.82
  4. Step 4: Simplify right side
    1,271,720.52x = 1,212,610,508,306.29
  5. Step 5: Solve for x
    x = 1,212,610,508,306.29/1,271,720.52
  6. Step 6: Final answer
    x = 953,519.65

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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.