Home / 1,178,329.26-1,626,105.30-669,042.56

Finding the Fourth Proportional to 1,178,329.26, 1,626,105.30 and 669,042.56

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Solution

The fourth proportional to 1,178,329.26, 1,626,105.30 and 669,042.56 is: 923,284.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,329.26 : 1,626,105.30 = 669,042.56 : x
  2. Step 2: Convert to fraction form
    1,178,329.26/1,626,105.30 = 669,042.56/x
  3. Step 3: Cross multiply
    1,178,329.26x = 1,626,105.30 × 669,042.56
  4. Step 4: Simplify right side
    1,178,329.26x = 1,087,933,652,741.57
  5. Step 5: Solve for x
    x = 1,087,933,652,741.57/1,178,329.26
  6. Step 6: Final answer
    x = 923,284.93

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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.