Home / 1,519,617.89-2,275,773.95-869,222.85

Finding the Fourth Proportional to 1,519,617.89, 2,275,773.95 and 869,222.85

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Solution

The fourth proportional to 1,519,617.89, 2,275,773.95 and 869,222.85 is: 1,301,744.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,519,617.89 : 2,275,773.95 = 869,222.85 : x
  2. Step 2: Convert to fraction form
    1,519,617.89/2,275,773.95 = 869,222.85/x
  3. Step 3: Cross multiply
    1,519,617.89x = 2,275,773.95 × 869,222.85
  4. Step 4: Simplify right side
    1,519,617.89x = 1,978,154,725,503.74
  5. Step 5: Solve for x
    x = 1,978,154,725,503.74/1,519,617.89
  6. Step 6: Final answer
    x = 1,301,744.83

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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.