Home / 992,882.72-1,478,093.68-986,977.76

Finding the Fourth Proportional to 992,882.72, 1,478,093.68 and 986,977.76

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Solution

The fourth proportional to 992,882.72, 1,478,093.68 and 986,977.76 is: 1,469,303.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,882.72 : 1,478,093.68 = 986,977.76 : x
  2. Step 2: Convert to fraction form
    992,882.72/1,478,093.68 = 986,977.76/x
  3. Step 3: Cross multiply
    992,882.72x = 1,478,093.68 × 986,977.76
  4. Step 4: Simplify right side
    992,882.72x = 1,458,845,589,356.56
  5. Step 5: Solve for x
    x = 1,458,845,589,356.56/992,882.72
  6. Step 6: Final answer
    x = 1,469,303.03

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.