Home / 1,815,495.35-2,721,619.17-749,857.73

Finding the Fourth Proportional to 1,815,495.35, 2,721,619.17 and 749,857.73

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Solution

The fourth proportional to 1,815,495.35, 2,721,619.17 and 749,857.73 is: 1,124,115.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,815,495.35 : 2,721,619.17 = 749,857.73 : x
  2. Step 2: Convert to fraction form
    1,815,495.35/2,721,619.17 = 749,857.73/x
  3. Step 3: Cross multiply
    1,815,495.35x = 2,721,619.17 × 749,857.73
  4. Step 4: Simplify right side
    1,815,495.35x = 2,040,827,159,132.59
  5. Step 5: Solve for x
    x = 2,040,827,159,132.59/1,815,495.35
  6. Step 6: Final answer
    x = 1,124,115.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.