Home / 1,404,429.90-2,106,644.85-865,115.70

Finding the Fourth Proportional to 1,404,429.90, 2,106,644.85 and 865,115.70

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Solution

The fourth proportional to 1,404,429.90, 2,106,644.85 and 865,115.70 is: 1,297,673.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,404,429.90 : 2,106,644.85 = 865,115.70 : x
  2. Step 2: Convert to fraction form
    1,404,429.90/2,106,644.85 = 865,115.70/x
  3. Step 3: Cross multiply
    1,404,429.90x = 2,106,644.85 × 865,115.70
  4. Step 4: Simplify right side
    1,404,429.90x = 1,822,491,534,059.15
  5. Step 5: Solve for x
    x = 1,822,491,534,059.15/1,404,429.90
  6. Step 6: Final answer
    x = 1,297,673.55

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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.