Home / 1,327,248.32-1,987,772.40-1,220,074.38

Finding the Fourth Proportional to 1,327,248.32, 1,987,772.40 and 1,220,074.38

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Solution

The fourth proportional to 1,327,248.32, 1,987,772.40 and 1,220,074.38 is: 1,827,261.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,327,248.32 : 1,987,772.40 = 1,220,074.38 : x
  2. Step 2: Convert to fraction form
    1,327,248.32/1,987,772.40 = 1,220,074.38/x
  3. Step 3: Cross multiply
    1,327,248.32x = 1,987,772.40 × 1,220,074.38
  4. Step 4: Simplify right side
    1,327,248.32x = 2,425,230,178,511.11
  5. Step 5: Solve for x
    x = 2,425,230,178,511.11/1,327,248.32
  6. Step 6: Final answer
    x = 1,827,261.83

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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.