Home / 1,168,917.40-1,753,376.10-770,008.60

Finding the Fourth Proportional to 1,168,917.40, 1,753,376.10 and 770,008.60

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Solution

The fourth proportional to 1,168,917.40, 1,753,376.10 and 770,008.60 is: 1,155,012.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,168,917.40 : 1,753,376.10 = 770,008.60 : x
  2. Step 2: Convert to fraction form
    1,168,917.40/1,753,376.10 = 770,008.60/x
  3. Step 3: Cross multiply
    1,168,917.40x = 1,753,376.10 × 770,008.60
  4. Step 4: Simplify right side
    1,168,917.40x = 1,350,114,676,034.46
  5. Step 5: Solve for x
    x = 1,350,114,676,034.46/1,168,917.40
  6. Step 6: Final answer
    x = 1,155,012.90

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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.