Home / 1,091,997.11-1,506,512.13-724,647.49

Finding the Fourth Proportional to 1,091,997.11, 1,506,512.13 and 724,647.49

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Solution

The fourth proportional to 1,091,997.11, 1,506,512.13 and 724,647.49 is: 999,718.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,997.11 : 1,506,512.13 = 724,647.49 : x
  2. Step 2: Convert to fraction form
    1,091,997.11/1,506,512.13 = 724,647.49/x
  3. Step 3: Cross multiply
    1,091,997.11x = 1,506,512.13 × 724,647.49
  4. Step 4: Simplify right side
    1,091,997.11x = 1,091,690,233,659.05
  5. Step 5: Solve for x
    x = 1,091,690,233,659.05/1,091,997.11
  6. Step 6: Final answer
    x = 999,718.98

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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.