Home / 989,491.41-1,364,794.20-908,082.56

Finding the Fourth Proportional to 989,491.41, 1,364,794.20 and 908,082.56

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Solution

The fourth proportional to 989,491.41, 1,364,794.20 and 908,082.56 is: 1,252,507.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,491.41 : 1,364,794.20 = 908,082.56 : x
  2. Step 2: Convert to fraction form
    989,491.41/1,364,794.20 = 908,082.56/x
  3. Step 3: Cross multiply
    989,491.41x = 1,364,794.20 × 908,082.56
  4. Step 4: Simplify right side
    989,491.41x = 1,239,345,804,185.18
  5. Step 5: Solve for x
    x = 1,239,345,804,185.18/989,491.41
  6. Step 6: Final answer
    x = 1,252,507.90

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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.