Home / 1,431,306.60-2,146,959.90-1,236,444.90

Finding the Fourth Proportional to 1,431,306.60, 2,146,959.90 and 1,236,444.90

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Solution

The fourth proportional to 1,431,306.60, 2,146,959.90 and 1,236,444.90 is: 1,854,667.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,306.60 : 2,146,959.90 = 1,236,444.90 : x
  2. Step 2: Convert to fraction form
    1,431,306.60/2,146,959.90 = 1,236,444.90/x
  3. Step 3: Cross multiply
    1,431,306.60x = 2,146,959.90 × 1,236,444.90
  4. Step 4: Simplify right side
    1,431,306.60x = 2,654,597,618,859.51
  5. Step 5: Solve for x
    x = 2,654,597,618,859.51/1,431,306.60
  6. Step 6: Final answer
    x = 1,854,667.35

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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.