Home / 1,080,195.75-1,490,670.14-627,515.91

Finding the Fourth Proportional to 1,080,195.75, 1,490,670.14 and 627,515.91

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Solution

The fourth proportional to 1,080,195.75, 1,490,670.14 and 627,515.91 is: 865,971.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,080,195.75 : 1,490,670.14 = 627,515.91 : x
  2. Step 2: Convert to fraction form
    1,080,195.75/1,490,670.14 = 627,515.91/x
  3. Step 3: Cross multiply
    1,080,195.75x = 1,490,670.14 × 627,515.91
  4. Step 4: Simplify right side
    1,080,195.75x = 935,419,226,274.35
  5. Step 5: Solve for x
    x = 935,419,226,274.35/1,080,195.75
  6. Step 6: Final answer
    x = 865,971.96

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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.