Home / 879,248.20-1,318,872.30-873,999.40

Finding the Fourth Proportional to 879,248.20, 1,318,872.30 and 873,999.40

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Solution

The fourth proportional to 879,248.20, 1,318,872.30 and 873,999.40 is: 1,310,999.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,248.20 : 1,318,872.30 = 873,999.40 : x
  2. Step 2: Convert to fraction form
    879,248.20/1,318,872.30 = 873,999.40/x
  3. Step 3: Cross multiply
    879,248.20x = 1,318,872.30 × 873,999.40
  4. Step 4: Simplify right side
    879,248.20x = 1,152,693,598,876.62
  5. Step 5: Solve for x
    x = 1,152,693,598,876.62/879,248.20
  6. Step 6: Final answer
    x = 1,310,999.10

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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.