Home / 1,942,505.80-2,912,883.90-876,999.40

Finding the Fourth Proportional to 1,942,505.80, 2,912,883.90 and 876,999.40

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Solution

The fourth proportional to 1,942,505.80, 2,912,883.90 and 876,999.40 is: 1,315,104.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,942,505.80 : 2,912,883.90 = 876,999.40 : x
  2. Step 2: Convert to fraction form
    1,942,505.80/2,912,883.90 = 876,999.40/x
  3. Step 3: Cross multiply
    1,942,505.80x = 2,912,883.90 × 876,999.40
  4. Step 4: Simplify right side
    1,942,505.80x = 2,554,597,432,569.66
  5. Step 5: Solve for x
    x = 2,554,597,432,569.66/1,942,505.80
  6. Step 6: Final answer
    x = 1,315,104.15

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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.