Home / 1,271,631.27-1,908,101.49-702,906.78

Finding the Fourth Proportional to 1,271,631.27, 1,908,101.49 and 702,906.78

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Solution

The fourth proportional to 1,271,631.27, 1,908,101.49 and 702,906.78 is: 1,054,722.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,271,631.27 : 1,908,101.49 = 702,906.78 : x
  2. Step 2: Convert to fraction form
    1,271,631.27/1,908,101.49 = 702,906.78/x
  3. Step 3: Cross multiply
    1,271,631.27x = 1,908,101.49 × 702,906.78
  4. Step 4: Simplify right side
    1,271,631.27x = 1,341,217,474,249.10
  5. Step 5: Solve for x
    x = 1,341,217,474,249.10/1,271,631.27
  6. Step 6: Final answer
    x = 1,054,722.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.