Home / 1,522,699.72-2,101,245.12-869,299.84

Finding the Fourth Proportional to 1,522,699.72, 2,101,245.12 and 869,299.84

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Solution

The fourth proportional to 1,522,699.72, 2,101,245.12 and 869,299.84 is: 1,199,587.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,522,699.72 : 2,101,245.12 = 869,299.84 : x
  2. Step 2: Convert to fraction form
    1,522,699.72/2,101,245.12 = 869,299.84/x
  3. Step 3: Cross multiply
    1,522,699.72x = 2,101,245.12 × 869,299.84
  4. Step 4: Simplify right side
    1,522,699.72x = 1,826,612,046,616.78
  5. Step 5: Solve for x
    x = 1,826,612,046,616.78/1,522,699.72
  6. Step 6: Final answer
    x = 1,199,587.83

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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.