Home / 1,155,147.60-1,731,394.68-723,059.28

Finding the Fourth Proportional to 1,155,147.60, 1,731,394.68 and 723,059.28

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Solution

The fourth proportional to 1,155,147.60, 1,731,394.68 and 723,059.28 is: 1,083,758.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155,147.60 : 1,731,394.68 = 723,059.28 : x
  2. Step 2: Convert to fraction form
    1,155,147.60/1,731,394.68 = 723,059.28/x
  3. Step 3: Cross multiply
    1,155,147.60x = 1,731,394.68 × 723,059.28
  4. Step 4: Simplify right side
    1,155,147.60x = 1,251,900,990,716.63
  5. Step 5: Solve for x
    x = 1,251,900,990,716.63/1,155,147.60
  6. Step 6: Final answer
    x = 1,083,758.47

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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.