Home / 1,077,647.80-1,618,221.30-724,228.60

Finding the Fourth Proportional to 1,077,647.80, 1,618,221.30 and 724,228.60

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Solution

The fourth proportional to 1,077,647.80, 1,618,221.30 and 724,228.60 is: 1,087,518.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,647.80 : 1,618,221.30 = 724,228.60 : x
  2. Step 2: Convert to fraction form
    1,077,647.80/1,618,221.30 = 724,228.60/x
  3. Step 3: Cross multiply
    1,077,647.80x = 1,618,221.30 × 724,228.60
  4. Step 4: Simplify right side
    1,077,647.80x = 1,171,962,146,589.18
  5. Step 5: Solve for x
    x = 1,171,962,146,589.18/1,077,647.80
  6. Step 6: Final answer
    x = 1,087,518.71

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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.