Home / 1,687,273.04-2,328,436.80-923,326.88

Finding the Fourth Proportional to 1,687,273.04, 2,328,436.80 and 923,326.88

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Solution

The fourth proportional to 1,687,273.04, 2,328,436.80 and 923,326.88 is: 1,274,191.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,687,273.04 : 2,328,436.80 = 923,326.88 : x
  2. Step 2: Convert to fraction form
    1,687,273.04/2,328,436.80 = 923,326.88/x
  3. Step 3: Cross multiply
    1,687,273.04x = 2,328,436.80 × 923,326.88
  4. Step 4: Simplify right side
    1,687,273.04x = 2,149,908,285,821.18
  5. Step 5: Solve for x
    x = 2,149,908,285,821.18/1,687,273.04
  6. Step 6: Final answer
    x = 1,274,191.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.