Home / 1,222,654.40-1,687,230.20-732,900.56

Finding the Fourth Proportional to 1,222,654.40, 1,687,230.20 and 732,900.56

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Solution

The fourth proportional to 1,222,654.40, 1,687,230.20 and 732,900.56 is: 1,011,383.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,222,654.40 : 1,687,230.20 = 732,900.56 : x
  2. Step 2: Convert to fraction form
    1,222,654.40/1,687,230.20 = 732,900.56/x
  3. Step 3: Cross multiply
    1,222,654.40x = 1,687,230.20 × 732,900.56
  4. Step 4: Simplify right side
    1,222,654.40x = 1,236,571,958,428.91
  5. Step 5: Solve for x
    x = 1,236,571,958,428.91/1,222,654.40
  6. Step 6: Final answer
    x = 1,011,383.07

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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.