Home / 1,437,979.92-1,985,131.38-894,290.87

Finding the Fourth Proportional to 1,437,979.92, 1,985,131.38 and 894,290.87

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Solution

The fourth proportional to 1,437,979.92, 1,985,131.38 and 894,290.87 is: 1,234,568.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,437,979.92 : 1,985,131.38 = 894,290.87 : x
  2. Step 2: Convert to fraction form
    1,437,979.92/1,985,131.38 = 894,290.87/x
  3. Step 3: Cross multiply
    1,437,979.92x = 1,985,131.38 × 894,290.87
  4. Step 4: Simplify right side
    1,437,979.92x = 1,775,284,858,958.84
  5. Step 5: Solve for x
    x = 1,775,284,858,958.84/1,437,979.92
  6. Step 6: Final answer
    x = 1,234,568.60

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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.