Home / 1,245,771.64-1,868,480.07-392,732.56

Finding the Fourth Proportional to 1,245,771.64, 1,868,480.07 and 392,732.56

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Solution

The fourth proportional to 1,245,771.64, 1,868,480.07 and 392,732.56 is: 589,042.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,771.64 : 1,868,480.07 = 392,732.56 : x
  2. Step 2: Convert to fraction form
    1,245,771.64/1,868,480.07 = 392,732.56/x
  3. Step 3: Cross multiply
    1,245,771.64x = 1,868,480.07 × 392,732.56
  4. Step 4: Simplify right side
    1,245,771.64x = 733,812,961,200.08
  5. Step 5: Solve for x
    x = 733,812,961,200.08/1,245,771.64
  6. Step 6: Final answer
    x = 589,042.92

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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.