Home / 1,660,480.47-2,291,158.63-935,172.85

Finding the Fourth Proportional to 1,660,480.47, 2,291,158.63 and 935,172.85

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Solution

The fourth proportional to 1,660,480.47, 2,291,158.63 and 935,172.85 is: 1,290,367.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,660,480.47 : 2,291,158.63 = 935,172.85 : x
  2. Step 2: Convert to fraction form
    1,660,480.47/2,291,158.63 = 935,172.85/x
  3. Step 3: Cross multiply
    1,660,480.47x = 2,291,158.63 × 935,172.85
  4. Step 4: Simplify right side
    1,660,480.47x = 2,142,629,345,819.20
  5. Step 5: Solve for x
    x = 2,142,629,345,819.20/1,660,480.47
  6. Step 6: Final answer
    x = 1,290,367.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.