Home / 1,233,391.56-1,702,364.76-802,921.92

Finding the Fourth Proportional to 1,233,391.56, 1,702,364.76 and 802,921.92

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Solution

The fourth proportional to 1,233,391.56, 1,702,364.76 and 802,921.92 is: 1,108,217.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,233,391.56 : 1,702,364.76 = 802,921.92 : x
  2. Step 2: Convert to fraction form
    1,233,391.56/1,702,364.76 = 802,921.92/x
  3. Step 3: Cross multiply
    1,233,391.56x = 1,702,364.76 × 802,921.92
  4. Step 4: Simplify right side
    1,233,391.56x = 1,366,865,981,639.54
  5. Step 5: Solve for x
    x = 1,366,865,981,639.54/1,233,391.56
  6. Step 6: Final answer
    x = 1,108,217.40

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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.