Home / 1,188,149.04-1,639,114.20-704,734.56

Finding the Fourth Proportional to 1,188,149.04, 1,639,114.20 and 704,734.56

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Solution

The fourth proportional to 1,188,149.04, 1,639,114.20 and 704,734.56 is: 972,218.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,149.04 : 1,639,114.20 = 704,734.56 : x
  2. Step 2: Convert to fraction form
    1,188,149.04/1,639,114.20 = 704,734.56/x
  3. Step 3: Cross multiply
    1,188,149.04x = 1,639,114.20 × 704,734.56
  4. Step 4: Simplify right side
    1,188,149.04x = 1,155,140,424,526.75
  5. Step 5: Solve for x
    x = 1,155,140,424,526.75/1,188,149.04
  6. Step 6: Final answer
    x = 972,218.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.