Home / 790,621.80-1,183,167.90-724,266.60

Finding the Fourth Proportional to 790,621.80, 1,183,167.90 and 724,266.60

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Solution

The fourth proportional to 790,621.80, 1,183,167.90 and 724,266.60 is: 1,083,867.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,621.80 : 1,183,167.90 = 724,266.60 : x
  2. Step 2: Convert to fraction form
    790,621.80/1,183,167.90 = 724,266.60/x
  3. Step 3: Cross multiply
    790,621.80x = 1,183,167.90 × 724,266.60
  4. Step 4: Simplify right side
    790,621.80x = 856,928,992,162.14
  5. Step 5: Solve for x
    x = 856,928,992,162.14/790,621.80
  6. Step 6: Final answer
    x = 1,083,867.14

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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.