Home / 1,271,937.40-1,755,301.38-698,987.16

Finding the Fourth Proportional to 1,271,937.40, 1,755,301.38 and 698,987.16

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Solution

The fourth proportional to 1,271,937.40, 1,755,301.38 and 698,987.16 is: 964,617.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,271,937.40 : 1,755,301.38 = 698,987.16 : x
  2. Step 2: Convert to fraction form
    1,271,937.40/1,755,301.38 = 698,987.16/x
  3. Step 3: Cross multiply
    1,271,937.40x = 1,755,301.38 × 698,987.16
  4. Step 4: Simplify right side
    1,271,937.40x = 1,226,933,126,550.28
  5. Step 5: Solve for x
    x = 1,226,933,126,550.28/1,271,937.40
  6. Step 6: Final answer
    x = 964,617.54

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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.