Home / 1,314,150.20-1,969,767.30-515,166.20

Finding the Fourth Proportional to 1,314,150.20, 1,969,767.30 and 515,166.20

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Solution

The fourth proportional to 1,314,150.20, 1,969,767.30 and 515,166.20 is: 772,177.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,150.20 : 1,969,767.30 = 515,166.20 : x
  2. Step 2: Convert to fraction form
    1,314,150.20/1,969,767.30 = 515,166.20/x
  3. Step 3: Cross multiply
    1,314,150.20x = 1,969,767.30 × 515,166.20
  4. Step 4: Simplify right side
    1,314,150.20x = 1,014,757,534,825.26
  5. Step 5: Solve for x
    x = 1,014,757,534,825.26/1,314,150.20
  6. Step 6: Final answer
    x = 772,177.74

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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.