Home / 1,168,142.60-1,749,449.10-792,129.80

Finding the Fourth Proportional to 1,168,142.60, 1,749,449.10 and 792,129.80

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Solution

The fourth proportional to 1,168,142.60, 1,749,449.10 and 792,129.80 is: 1,186,319.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,168,142.60 : 1,749,449.10 = 792,129.80 : x
  2. Step 2: Convert to fraction form
    1,168,142.60/1,749,449.10 = 792,129.80/x
  3. Step 3: Cross multiply
    1,168,142.60x = 1,749,449.10 × 792,129.80
  4. Step 4: Simplify right side
    1,168,142.60x = 1,385,790,765,693.18
  5. Step 5: Solve for x
    x = 1,385,790,765,693.18/1,168,142.60
  6. Step 6: Final answer
    x = 1,186,319.86

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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.