Home / 756,412.80-1,133,452.80-656,102.40

Finding the Fourth Proportional to 756,412.80, 1,133,452.80 and 656,102.40

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Solution

The fourth proportional to 756,412.80, 1,133,452.80 and 656,102.40 is: 983,141.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,412.80 : 1,133,452.80 = 656,102.40 : x
  2. Step 2: Convert to fraction form
    756,412.80/1,133,452.80 = 656,102.40/x
  3. Step 3: Cross multiply
    756,412.80x = 1,133,452.80 × 656,102.40
  4. Step 4: Simplify right side
    756,412.80x = 743,661,102,366.72
  5. Step 5: Solve for x
    x = 743,661,102,366.72/756,412.80
  6. Step 6: Final answer
    x = 983,141.88

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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.