Home / 1,039,213.60-1,559,986.80-803,600.80

Finding the Fourth Proportional to 1,039,213.60, 1,559,986.80 and 803,600.80

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Solution

The fourth proportional to 1,039,213.60, 1,559,986.80 and 803,600.80 is: 1,206,303.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,213.60 : 1,559,986.80 = 803,600.80 : x
  2. Step 2: Convert to fraction form
    1,039,213.60/1,559,986.80 = 803,600.80/x
  3. Step 3: Cross multiply
    1,039,213.60x = 1,559,986.80 × 803,600.80
  4. Step 4: Simplify right side
    1,039,213.60x = 1,253,606,640,469.44
  5. Step 5: Solve for x
    x = 1,253,606,640,469.44/1,039,213.60
  6. Step 6: Final answer
    x = 1,206,303.15

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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.