Home / 1,168,919.40-1,753,379.10-770,010.60

Finding the Fourth Proportional to 1,168,919.40, 1,753,379.10 and 770,010.60

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Solution

The fourth proportional to 1,168,919.40, 1,753,379.10 and 770,010.60 is: 1,155,015.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,168,919.40 : 1,753,379.10 = 770,010.60 : x
  2. Step 2: Convert to fraction form
    1,168,919.40/1,753,379.10 = 770,010.60/x
  3. Step 3: Cross multiply
    1,168,919.40x = 1,753,379.10 × 770,010.60
  4. Step 4: Simplify right side
    1,168,919.40x = 1,350,120,492,818.46
  5. Step 5: Solve for x
    x = 1,350,120,492,818.46/1,168,919.40
  6. Step 6: Final answer
    x = 1,155,015.90

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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.