Home / 1,044,013.20-1,566,019.80-990,099.60

Finding the Fourth Proportional to 1,044,013.20, 1,566,019.80 and 990,099.60

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Solution

The fourth proportional to 1,044,013.20, 1,566,019.80 and 990,099.60 is: 1,485,149.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,044,013.20 : 1,566,019.80 = 990,099.60 : x
  2. Step 2: Convert to fraction form
    1,044,013.20/1,566,019.80 = 990,099.60/x
  3. Step 3: Cross multiply
    1,044,013.20x = 1,566,019.80 × 990,099.60
  4. Step 4: Simplify right side
    1,044,013.20x = 1,550,515,577,572.08
  5. Step 5: Solve for x
    x = 1,550,515,577,572.08/1,044,013.20
  6. Step 6: Final answer
    x = 1,485,149.40

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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.