Home / 994,001.70-1,491,002.55-869,585.70

Finding the Fourth Proportional to 994,001.70, 1,491,002.55 and 869,585.70

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Solution

The fourth proportional to 994,001.70, 1,491,002.55 and 869,585.70 is: 1,304,378.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,001.70 : 1,491,002.55 = 869,585.70 : x
  2. Step 2: Convert to fraction form
    994,001.70/1,491,002.55 = 869,585.70/x
  3. Step 3: Cross multiply
    994,001.70x = 1,491,002.55 × 869,585.70
  4. Step 4: Simplify right side
    994,001.70x = 1,296,554,496,143.53
  5. Step 5: Solve for x
    x = 1,296,554,496,143.53/994,001.70
  6. Step 6: Final answer
    x = 1,304,378.55

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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.