Home / 1,206,925.92-1,665,558.45-663,096.78

Finding the Fourth Proportional to 1,206,925.92, 1,665,558.45 and 663,096.78

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Solution

The fourth proportional to 1,206,925.92, 1,665,558.45 and 663,096.78 is: 915,073.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,925.92 : 1,665,558.45 = 663,096.78 : x
  2. Step 2: Convert to fraction form
    1,206,925.92/1,665,558.45 = 663,096.78/x
  3. Step 3: Cross multiply
    1,206,925.92x = 1,665,558.45 × 663,096.78
  4. Step 4: Simplify right side
    1,206,925.92x = 1,104,426,445,096.79
  5. Step 5: Solve for x
    x = 1,104,426,445,096.79/1,206,925.92
  6. Step 6: Final answer
    x = 915,073.93

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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.