Home / 1,015,844.40-1,522,384.20-720,010.80

Finding the Fourth Proportional to 1,015,844.40, 1,522,384.20 and 720,010.80

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Solution

The fourth proportional to 1,015,844.40, 1,522,384.20 and 720,010.80 is: 1,079,036.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,844.40 : 1,522,384.20 = 720,010.80 : x
  2. Step 2: Convert to fraction form
    1,015,844.40/1,522,384.20 = 720,010.80/x
  3. Step 3: Cross multiply
    1,015,844.40x = 1,522,384.20 × 720,010.80
  4. Step 4: Simplify right side
    1,015,844.40x = 1,096,133,065,749.36
  5. Step 5: Solve for x
    x = 1,096,133,065,749.36/1,015,844.40
  6. Step 6: Final answer
    x = 1,079,036.38

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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.