Home / 1,229,178.76-1,696,378.10-745,866.36

Finding the Fourth Proportional to 1,229,178.76, 1,696,378.10 and 745,866.36

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Solution

The fourth proportional to 1,229,178.76, 1,696,378.10 and 745,866.36 is: 1,029,363.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,178.76 : 1,696,378.10 = 745,866.36 : x
  2. Step 2: Convert to fraction form
    1,229,178.76/1,696,378.10 = 745,866.36/x
  3. Step 3: Cross multiply
    1,229,178.76x = 1,696,378.10 × 745,866.36
  4. Step 4: Simplify right side
    1,229,178.76x = 1,265,271,358,630.72
  5. Step 5: Solve for x
    x = 1,265,271,358,630.72/1,229,178.76
  6. Step 6: Final answer
    x = 1,029,363.18

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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.