Home / 1,391,993.86-2,088,003.10-550,545.70

Finding the Fourth Proportional to 1,391,993.86, 2,088,003.10 and 550,545.70

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Solution

The fourth proportional to 1,391,993.86, 2,088,003.10 and 550,545.70 is: 825,823.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,391,993.86 : 2,088,003.10 = 550,545.70 : x
  2. Step 2: Convert to fraction form
    1,391,993.86/2,088,003.10 = 550,545.70/x
  3. Step 3: Cross multiply
    1,391,993.86x = 2,088,003.10 × 550,545.70
  4. Step 4: Simplify right side
    1,391,993.86x = 1,149,541,128,291.67
  5. Step 5: Solve for x
    x = 1,149,541,128,291.67/1,391,993.86
  6. Step 6: Final answer
    x = 825,823.42

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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.