Home / 1,271,781.72-1,755,053.46-698,820.12

Finding the Fourth Proportional to 1,271,781.72, 1,755,053.46 and 698,820.12

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Solution

The fourth proportional to 1,271,781.72, 1,755,053.46 and 698,820.12 is: 964,368.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,271,781.72 : 1,755,053.46 = 698,820.12 : x
  2. Step 2: Convert to fraction form
    1,271,781.72/1,755,053.46 = 698,820.12/x
  3. Step 3: Cross multiply
    1,271,781.72x = 1,755,053.46 × 698,820.12
  4. Step 4: Simplify right side
    1,271,781.72x = 1,226,466,669,523.62
  5. Step 5: Solve for x
    x = 1,226,466,669,523.62/1,271,781.72
  6. Step 6: Final answer
    x = 964,368.85

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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.