Home / 1,228,877.60-1,843,316.40-724,992.80

Finding the Fourth Proportional to 1,228,877.60, 1,843,316.40 and 724,992.80

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Solution

The fourth proportional to 1,228,877.60, 1,843,316.40 and 724,992.80 is: 1,087,489.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,877.60 : 1,843,316.40 = 724,992.80 : x
  2. Step 2: Convert to fraction form
    1,228,877.60/1,843,316.40 = 724,992.80/x
  3. Step 3: Cross multiply
    1,228,877.60x = 1,843,316.40 × 724,992.80
  4. Step 4: Simplify right side
    1,228,877.60x = 1,336,391,118,121.92
  5. Step 5: Solve for x
    x = 1,336,391,118,121.92/1,228,877.60
  6. Step 6: Final answer
    x = 1,087,489.20

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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.