Home / 1,023,112.54-1,532,469.39-830,119.78

Finding the Fourth Proportional to 1,023,112.54, 1,532,469.39 and 830,119.78

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Solution

The fourth proportional to 1,023,112.54, 1,532,469.39 and 830,119.78 is: 1,243,395.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,023,112.54 : 1,532,469.39 = 830,119.78 : x
  2. Step 2: Convert to fraction form
    1,023,112.54/1,532,469.39 = 830,119.78/x
  3. Step 3: Cross multiply
    1,023,112.54x = 1,532,469.39 × 830,119.78
  4. Step 4: Simplify right side
    1,023,112.54x = 1,272,133,152,883.53
  5. Step 5: Solve for x
    x = 1,272,133,152,883.53/1,023,112.54
  6. Step 6: Final answer
    x = 1,243,395.13

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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.