Home / 1,423,126.26-1,964,001.33-819,708.66

Finding the Fourth Proportional to 1,423,126.26, 1,964,001.33 and 819,708.66

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Solution

The fourth proportional to 1,423,126.26, 1,964,001.33 and 819,708.66 is: 1,131,248.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,423,126.26 : 1,964,001.33 = 819,708.66 : x
  2. Step 2: Convert to fraction form
    1,423,126.26/1,964,001.33 = 819,708.66/x
  3. Step 3: Cross multiply
    1,423,126.26x = 1,964,001.33 × 819,708.66
  4. Step 4: Simplify right side
    1,423,126.26x = 1,609,908,898,452.52
  5. Step 5: Solve for x
    x = 1,609,908,898,452.52/1,423,126.26
  6. Step 6: Final answer
    x = 1,131,248.11

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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.