Home / 994,378.26-1,371,655.89-703,662.78

Finding the Fourth Proportional to 994,378.26, 1,371,655.89 and 703,662.78

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Solution

The fourth proportional to 994,378.26, 1,371,655.89 and 703,662.78 is: 970,639.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,378.26 : 1,371,655.89 = 703,662.78 : x
  2. Step 2: Convert to fraction form
    994,378.26/1,371,655.89 = 703,662.78/x
  3. Step 3: Cross multiply
    994,378.26x = 1,371,655.89 × 703,662.78
  4. Step 4: Simplify right side
    994,378.26x = 965,183,196,760.77
  5. Step 5: Solve for x
    x = 965,183,196,760.77/994,378.26
  6. Step 6: Final answer
    x = 970,639.88

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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.