Home / 1,343,313.10-2,016,524.85-811,434.70

Finding the Fourth Proportional to 1,343,313.10, 2,016,524.85 and 811,434.70

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Solution

The fourth proportional to 1,343,313.10, 2,016,524.85 and 811,434.70 is: 1,218,091.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,343,313.10 : 2,016,524.85 = 811,434.70 : x
  2. Step 2: Convert to fraction form
    1,343,313.10/2,016,524.85 = 811,434.70/x
  3. Step 3: Cross multiply
    1,343,313.10x = 2,016,524.85 × 811,434.70
  4. Step 4: Simplify right side
    1,343,313.10x = 1,636,278,236,702.30
  5. Step 5: Solve for x
    x = 1,636,278,236,702.30/1,343,313.10
  6. Step 6: Final answer
    x = 1,218,091.48

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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.