Home / 748,929.80-1,122,012.30-699,163.40

Finding the Fourth Proportional to 748,929.80, 1,122,012.30 and 699,163.40

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Solution

The fourth proportional to 748,929.80, 1,122,012.30 and 699,163.40 is: 1,047,454.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,929.80 : 1,122,012.30 = 699,163.40 : x
  2. Step 2: Convert to fraction form
    748,929.80/1,122,012.30 = 699,163.40/x
  3. Step 3: Cross multiply
    748,929.80x = 1,122,012.30 × 699,163.40
  4. Step 4: Simplify right side
    748,929.80x = 784,469,934,509.82
  5. Step 5: Solve for x
    x = 784,469,934,509.82/748,929.80
  6. Step 6: Final answer
    x = 1,047,454.56

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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.