Home / 1,412,864.27-1,954,886.90-1,231,953.20

Finding the Fourth Proportional to 1,412,864.27, 1,954,886.90 and 1,231,953.20

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Solution

The fourth proportional to 1,412,864.27, 1,954,886.90 and 1,231,953.20 is: 1,704,572.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412,864.27 : 1,954,886.90 = 1,231,953.20 : x
  2. Step 2: Convert to fraction form
    1,412,864.27/1,954,886.90 = 1,231,953.20/x
  3. Step 3: Cross multiply
    1,412,864.27x = 1,954,886.90 × 1,231,953.20
  4. Step 4: Simplify right side
    1,412,864.27x = 2,408,329,156,158.88
  5. Step 5: Solve for x
    x = 2,408,329,156,158.88/1,412,864.27
  6. Step 6: Final answer
    x = 1,704,572.21

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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.