Home / 1,097,122.80-1,646,337.96-489,863.88

Finding the Fourth Proportional to 1,097,122.80, 1,646,337.96 and 489,863.88

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Solution

The fourth proportional to 1,097,122.80, 1,646,337.96 and 489,863.88 is: 735,087.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,097,122.80 : 1,646,337.96 = 489,863.88 : x
  2. Step 2: Convert to fraction form
    1,097,122.80/1,646,337.96 = 489,863.88/x
  3. Step 3: Cross multiply
    1,097,122.80x = 1,646,337.96 × 489,863.88
  4. Step 4: Simplify right side
    1,097,122.80x = 806,481,500,876.89
  5. Step 5: Solve for x
    x = 806,481,500,876.89/1,097,122.80
  6. Step 6: Final answer
    x = 735,087.72

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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.