Home / 987,538.68-1,481,606.73-699,906.66

Finding the Fourth Proportional to 987,538.68, 1,481,606.73 and 699,906.66

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Solution

The fourth proportional to 987,538.68, 1,481,606.73 and 699,906.66 is: 1,050,071.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,538.68 : 1,481,606.73 = 699,906.66 : x
  2. Step 2: Convert to fraction form
    987,538.68/1,481,606.73 = 699,906.66/x
  3. Step 3: Cross multiply
    987,538.68x = 1,481,606.73 × 699,906.66
  4. Step 4: Simplify right side
    987,538.68x = 1,036,986,417,827.82
  5. Step 5: Solve for x
    x = 1,036,986,417,827.82/987,538.68
  6. Step 6: Final answer
    x = 1,050,071.70

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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.