Home / 1,431,944.68-2,146,498.20-672,426.54

Finding the Fourth Proportional to 1,431,944.68, 2,146,498.20 and 672,426.54

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Solution

The fourth proportional to 1,431,944.68, 2,146,498.20 and 672,426.54 is: 1,007,973.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,944.68 : 2,146,498.20 = 672,426.54 : x
  2. Step 2: Convert to fraction form
    1,431,944.68/2,146,498.20 = 672,426.54/x
  3. Step 3: Cross multiply
    1,431,944.68x = 2,146,498.20 × 672,426.54
  4. Step 4: Simplify right side
    1,431,944.68x = 1,443,362,357,742.23
  5. Step 5: Solve for x
    x = 1,443,362,357,742.23/1,431,944.68
  6. Step 6: Final answer
    x = 1,007,973.55

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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.