Home / 1,077,635.80-1,618,203.30-724,216.60

Finding the Fourth Proportional to 1,077,635.80, 1,618,203.30 and 724,216.60

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Solution

The fourth proportional to 1,077,635.80, 1,618,203.30 and 724,216.60 is: 1,087,500.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,635.80 : 1,618,203.30 = 724,216.60 : x
  2. Step 2: Convert to fraction form
    1,077,635.80/1,618,203.30 = 724,216.60/x
  3. Step 3: Cross multiply
    1,077,635.80x = 1,618,203.30 × 724,216.60
  4. Step 4: Simplify right side
    1,077,635.80x = 1,171,929,692,034.78
  5. Step 5: Solve for x
    x = 1,171,929,692,034.78/1,077,635.80
  6. Step 6: Final answer
    x = 1,087,500.70

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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.