Home / 1,332,719.76-1,839,153.48-720,872.25

Finding the Fourth Proportional to 1,332,719.76, 1,839,153.48 and 720,872.25

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Solution

The fourth proportional to 1,332,719.76, 1,839,153.48 and 720,872.25 is: 994,803.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332,719.76 : 1,839,153.48 = 720,872.25 : x
  2. Step 2: Convert to fraction form
    1,332,719.76/1,839,153.48 = 720,872.25/x
  3. Step 3: Cross multiply
    1,332,719.76x = 1,839,153.48 × 720,872.25
  4. Step 4: Simplify right side
    1,332,719.76x = 1,325,794,707,222.93
  5. Step 5: Solve for x
    x = 1,325,794,707,222.93/1,332,719.76
  6. Step 6: Final answer
    x = 994,803.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.