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Finding the Fourth Proportional to 1,332,914.24, 1,839,149.88 and 788,777.70

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Solution

The fourth proportional to 1,332,914.24, 1,839,149.88 and 788,777.70 is: 1,088,352.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332,914.24 : 1,839,149.88 = 788,777.70 : x
  2. Step 2: Convert to fraction form
    1,332,914.24/1,839,149.88 = 788,777.70/x
  3. Step 3: Cross multiply
    1,332,914.24x = 1,839,149.88 × 788,777.70
  4. Step 4: Simplify right side
    1,332,914.24x = 1,450,680,412,301.68
  5. Step 5: Solve for x
    x = 1,450,680,412,301.68/1,332,914.24
  6. Step 6: Final answer
    x = 1,088,352.40

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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.