Home / 1,332,719.39-1,839,152.97-720,871.89

Finding the Fourth Proportional to 1,332,719.39, 1,839,152.97 and 720,871.89

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Solution

The fourth proportional to 1,332,719.39, 1,839,152.97 and 720,871.89 is: 994,803.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332,719.39 : 1,839,152.97 = 720,871.89 : x
  2. Step 2: Convert to fraction form
    1,332,719.39/1,839,152.97 = 720,871.89/x
  3. Step 3: Cross multiply
    1,332,719.39x = 1,839,152.97 × 720,871.89
  4. Step 4: Simplify right side
    1,332,719.39x = 1,325,793,671,599.95
  5. Step 5: Solve for x
    x = 1,325,793,671,599.95/1,332,719.39
  6. Step 6: Final answer
    x = 994,803.32

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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.