Home / 1,023,945.60-1,535,918.40-520,060.80

Finding the Fourth Proportional to 1,023,945.60, 1,535,918.40 and 520,060.80

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Solution

The fourth proportional to 1,023,945.60, 1,535,918.40 and 520,060.80 is: 780,091.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,023,945.60 : 1,535,918.40 = 520,060.80 : x
  2. Step 2: Convert to fraction form
    1,023,945.60/1,535,918.40 = 520,060.80/x
  3. Step 3: Cross multiply
    1,023,945.60x = 1,535,918.40 × 520,060.80
  4. Step 4: Simplify right side
    1,023,945.60x = 798,770,951,838.72
  5. Step 5: Solve for x
    x = 798,770,951,838.72/1,023,945.60
  6. Step 6: Final answer
    x = 780,091.20

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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.