Home / 994,023.70-1,491,035.55-869,607.70

Finding the Fourth Proportional to 994,023.70, 1,491,035.55 and 869,607.70

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Solution

The fourth proportional to 994,023.70, 1,491,035.55 and 869,607.70 is: 1,304,411.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,023.70 : 1,491,035.55 = 869,607.70 : x
  2. Step 2: Convert to fraction form
    994,023.70/1,491,035.55 = 869,607.70/x
  3. Step 3: Cross multiply
    994,023.70x = 1,491,035.55 × 869,607.70
  4. Step 4: Simplify right side
    994,023.70x = 1,296,615,995,253.73
  5. Step 5: Solve for x
    x = 1,296,615,995,253.73/994,023.70
  6. Step 6: Final answer
    x = 1,304,411.55

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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.