Home / 1,755,630.72-2,422,820.16-991,716.48

Finding the Fourth Proportional to 1,755,630.72, 2,422,820.16 and 991,716.48

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Solution

The fourth proportional to 1,755,630.72, 2,422,820.16 and 991,716.48 is: 1,368,596.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,755,630.72 : 2,422,820.16 = 991,716.48 : x
  2. Step 2: Convert to fraction form
    1,755,630.72/2,422,820.16 = 991,716.48/x
  3. Step 3: Cross multiply
    1,755,630.72x = 2,422,820.16 × 991,716.48
  4. Step 4: Simplify right side
    1,755,630.72x = 2,402,750,680,748.24
  5. Step 5: Solve for x
    x = 2,402,750,680,748.24/1,755,630.72
  6. Step 6: Final answer
    x = 1,368,596.85

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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.