Home / 1,497,886.70-2,067,080.82-818,823.20

Finding the Fourth Proportional to 1,497,886.70, 2,067,080.82 and 818,823.20

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Solution

The fourth proportional to 1,497,886.70, 2,067,080.82 and 818,823.20 is: 1,129,974.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,497,886.70 : 2,067,080.82 = 818,823.20 : x
  2. Step 2: Convert to fraction form
    1,497,886.70/2,067,080.82 = 818,823.20/x
  3. Step 3: Cross multiply
    1,497,886.70x = 2,067,080.82 × 818,823.20
  4. Step 4: Simplify right side
    1,497,886.70x = 1,692,573,731,691.02
  5. Step 5: Solve for x
    x = 1,692,573,731,691.02/1,497,886.70
  6. Step 6: Final answer
    x = 1,129,974.47

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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.