Home / 1,327,787.75-1,991,438.63-355,164.60

Finding the Fourth Proportional to 1,327,787.75, 1,991,438.63 and 355,164.60

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Solution

The fourth proportional to 1,327,787.75, 1,991,438.63 and 355,164.60 is: 532,681.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,327,787.75 : 1,991,438.63 = 355,164.60 : x
  2. Step 2: Convert to fraction form
    1,327,787.75/1,991,438.63 = 355,164.60/x
  3. Step 3: Cross multiply
    1,327,787.75x = 1,991,438.63 × 355,164.60
  4. Step 4: Simplify right side
    1,327,787.75x = 707,288,502,672.68
  5. Step 5: Solve for x
    x = 707,288,502,672.68/1,327,787.75
  6. Step 6: Final answer
    x = 532,681.90

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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.