Home / 1,229,171.76-1,696,368.42-745,859.34

Finding the Fourth Proportional to 1,229,171.76, 1,696,368.42 and 745,859.34

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Solution

The fourth proportional to 1,229,171.76, 1,696,368.42 and 745,859.34 is: 1,029,353.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,171.76 : 1,696,368.42 = 745,859.34 : x
  2. Step 2: Convert to fraction form
    1,229,171.76/1,696,368.42 = 745,859.34/x
  3. Step 3: Cross multiply
    1,229,171.76x = 1,696,368.42 × 745,859.34
  4. Step 4: Simplify right side
    1,229,171.76x = 1,265,252,230,138.04
  5. Step 5: Solve for x
    x = 1,265,252,230,138.04/1,229,171.76
  6. Step 6: Final answer
    x = 1,029,353.48

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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.