Home / 1,438,480.82-2,158,005.48-527,671.75

Finding the Fourth Proportional to 1,438,480.82, 2,158,005.48 and 527,671.75

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Solution

The fourth proportional to 1,438,480.82, 2,158,005.48 and 527,671.75 is: 791,611.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,480.82 : 2,158,005.48 = 527,671.75 : x
  2. Step 2: Convert to fraction form
    1,438,480.82/2,158,005.48 = 527,671.75/x
  3. Step 3: Cross multiply
    1,438,480.82x = 2,158,005.48 × 527,671.75
  4. Step 4: Simplify right side
    1,438,480.82x = 1,138,718,521,427.00
  5. Step 5: Solve for x
    x = 1,138,718,521,427.00/1,438,480.82
  6. Step 6: Final answer
    x = 791,611.89

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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.