Home / 1,190,416.97-1,642,780.10-646,561.82

Finding the Fourth Proportional to 1,190,416.97, 1,642,780.10 and 646,561.82

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Solution

The fourth proportional to 1,190,416.97, 1,642,780.10 and 646,561.82 is: 892,257.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,416.97 : 1,642,780.10 = 646,561.82 : x
  2. Step 2: Convert to fraction form
    1,190,416.97/1,642,780.10 = 646,561.82/x
  3. Step 3: Cross multiply
    1,190,416.97x = 1,642,780.10 × 646,561.82
  4. Step 4: Simplify right side
    1,190,416.97x = 1,062,158,891,315.78
  5. Step 5: Solve for x
    x = 1,062,158,891,315.78/1,190,416.97
  6. Step 6: Final answer
    x = 892,257.85

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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.