Home / 745,834.80-1,118,752.20-663,166.20

Finding the Fourth Proportional to 745,834.80, 1,118,752.20 and 663,166.20

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Solution

The fourth proportional to 745,834.80, 1,118,752.20 and 663,166.20 is: 994,749.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,834.80 : 1,118,752.20 = 663,166.20 : x
  2. Step 2: Convert to fraction form
    745,834.80/1,118,752.20 = 663,166.20/x
  3. Step 3: Cross multiply
    745,834.80x = 1,118,752.20 × 663,166.20
  4. Step 4: Simplify right side
    745,834.80x = 741,918,645,215.64
  5. Step 5: Solve for x
    x = 741,918,645,215.64/745,834.80
  6. Step 6: Final answer
    x = 994,749.30

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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.