Home / 1,044,170.20-1,566,255.30-990,256.60

Finding the Fourth Proportional to 1,044,170.20, 1,566,255.30 and 990,256.60

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Solution

The fourth proportional to 1,044,170.20, 1,566,255.30 and 990,256.60 is: 1,485,384.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,044,170.20 : 1,566,255.30 = 990,256.60 : x
  2. Step 2: Convert to fraction form
    1,044,170.20/1,566,255.30 = 990,256.60/x
  3. Step 3: Cross multiply
    1,044,170.20x = 1,566,255.30 × 990,256.60
  4. Step 4: Simplify right side
    1,044,170.20x = 1,550,994,648,109.98
  5. Step 5: Solve for x
    x = 1,550,994,648,109.98/1,044,170.20
  6. Step 6: Final answer
    x = 1,485,384.90

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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.