Home / 1,198,999.84-1,653,895.92-790,956.76

Finding the Fourth Proportional to 1,198,999.84, 1,653,895.92 and 790,956.76

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Solution

The fourth proportional to 1,198,999.84, 1,653,895.92 and 790,956.76 is: 1,091,042.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198,999.84 : 1,653,895.92 = 790,956.76 : x
  2. Step 2: Convert to fraction form
    1,198,999.84/1,653,895.92 = 790,956.76/x
  3. Step 3: Cross multiply
    1,198,999.84x = 1,653,895.92 × 790,956.76
  4. Step 4: Simplify right side
    1,198,999.84x = 1,308,160,158,260.42
  5. Step 5: Solve for x
    x = 1,308,160,158,260.42/1,198,999.84
  6. Step 6: Final answer
    x = 1,091,042.81

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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.