Home / 1,391,992.86-2,088,001.60-550,544.70

Finding the Fourth Proportional to 1,391,992.86, 2,088,001.60 and 550,544.70

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Solution

The fourth proportional to 1,391,992.86, 2,088,001.60 and 550,544.70 is: 825,821.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,391,992.86 : 2,088,001.60 = 550,544.70 : x
  2. Step 2: Convert to fraction form
    1,391,992.86/2,088,001.60 = 550,544.70/x
  3. Step 3: Cross multiply
    1,391,992.86x = 2,088,001.60 × 550,544.70
  4. Step 4: Simplify right side
    1,391,992.86x = 1,149,538,214,471.52
  5. Step 5: Solve for x
    x = 1,149,538,214,471.52/1,391,992.86
  6. Step 6: Final answer
    x = 825,821.92

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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.