Home / 1,332,002.70-1,995,707.70-620,571.60

Finding the Fourth Proportional to 1,332,002.70, 1,995,707.70 and 620,571.60

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Solution

The fourth proportional to 1,332,002.70, 1,995,707.70 and 620,571.60 is: 929,787.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332,002.70 : 1,995,707.70 = 620,571.60 : x
  2. Step 2: Convert to fraction form
    1,332,002.70/1,995,707.70 = 620,571.60/x
  3. Step 3: Cross multiply
    1,332,002.70x = 1,995,707.70 × 620,571.60
  4. Step 4: Simplify right side
    1,332,002.70x = 1,238,479,520,521.32
  5. Step 5: Solve for x
    x = 1,238,479,520,521.32/1,332,002.70
  6. Step 6: Final answer
    x = 929,787.55

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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.