Home / 1,199,077.20-1,799,861.60-802,489.28

Finding the Fourth Proportional to 1,199,077.20, 1,799,861.60 and 802,489.28

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Solution

The fourth proportional to 1,199,077.20, 1,799,861.60 and 802,489.28 is: 1,204,567.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,199,077.20 : 1,799,861.60 = 802,489.28 : x
  2. Step 2: Convert to fraction form
    1,199,077.20/1,799,861.60 = 802,489.28/x
  3. Step 3: Cross multiply
    1,199,077.20x = 1,799,861.60 × 802,489.28
  4. Step 4: Simplify right side
    1,199,077.20x = 1,444,369,639,483.65
  5. Step 5: Solve for x
    x = 1,444,369,639,483.65/1,199,077.20
  6. Step 6: Final answer
    x = 1,204,567.68

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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.