Home / 1,332,272.13-1,998,425.20-385,643.76

Finding the Fourth Proportional to 1,332,272.13, 1,998,425.20 and 385,643.76

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Solution

The fourth proportional to 1,332,272.13, 1,998,425.20 and 385,643.76 is: 578,470.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332,272.13 : 1,998,425.20 = 385,643.76 : x
  2. Step 2: Convert to fraction form
    1,332,272.13/1,998,425.20 = 385,643.76/x
  3. Step 3: Cross multiply
    1,332,272.13x = 1,998,425.20 × 385,643.76
  4. Step 4: Simplify right side
    1,332,272.13x = 770,680,208,206.75
  5. Step 5: Solve for x
    x = 770,680,208,206.75/1,332,272.13
  6. Step 6: Final answer
    x = 578,470.56

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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.