Home / 992,113.22-1,488,010.46-272,286.87

Finding the Fourth Proportional to 992,113.22, 1,488,010.46 and 272,286.87

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Solution

The fourth proportional to 992,113.22, 1,488,010.46 and 272,286.87 is: 408,386.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,113.22 : 1,488,010.46 = 272,286.87 : x
  2. Step 2: Convert to fraction form
    992,113.22/1,488,010.46 = 272,286.87/x
  3. Step 3: Cross multiply
    992,113.22x = 1,488,010.46 × 272,286.87
  4. Step 4: Simplify right side
    992,113.22x = 405,165,709,319.23
  5. Step 5: Solve for x
    x = 405,165,709,319.23/992,113.22
  6. Step 6: Final answer
    x = 408,386.57

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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.