Home / 1,229,174.14-1,696,371.70-745,861.72

Finding the Fourth Proportional to 1,229,174.14, 1,696,371.70 and 745,861.72

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Solution

The fourth proportional to 1,229,174.14, 1,696,371.70 and 745,861.72 is: 1,029,356.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,174.14 : 1,696,371.70 = 745,861.72 : x
  2. Step 2: Convert to fraction form
    1,229,174.14/1,696,371.70 = 745,861.72/x
  3. Step 3: Cross multiply
    1,229,174.14x = 1,696,371.70 × 745,861.72
  4. Step 4: Simplify right side
    1,229,174.14x = 1,265,258,713,921.32
  5. Step 5: Solve for x
    x = 1,265,258,713,921.32/1,229,174.14
  6. Step 6: Final answer
    x = 1,029,356.76

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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.