Home / 824,482.40-1,236,723.60-682,764.80

Finding the Fourth Proportional to 824,482.40, 1,236,723.60 and 682,764.80

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Solution

The fourth proportional to 824,482.40, 1,236,723.60 and 682,764.80 is: 1,024,147.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,482.40 : 1,236,723.60 = 682,764.80 : x
  2. Step 2: Convert to fraction form
    824,482.40/1,236,723.60 = 682,764.80/x
  3. Step 3: Cross multiply
    824,482.40x = 1,236,723.60 × 682,764.80
  4. Step 4: Simplify right side
    824,482.40x = 844,391,341,409.28
  5. Step 5: Solve for x
    x = 844,391,341,409.28/824,482.40
  6. Step 6: Final answer
    x = 1,024,147.20

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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.