Home / 1,631,226.72-2,251,720.68-1,087,164

Finding the Fourth Proportional to 1,631,226.72, 2,251,720.68 and 1,087,164

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Solution

The fourth proportional to 1,631,226.72, 2,251,720.68 and 1,087,164 is: 1,500,704.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,631,226.72 : 2,251,720.68 = 1,087,164 : x
  2. Step 2: Convert to fraction form
    1,631,226.72/2,251,720.68 = 1,087,164/x
  3. Step 3: Cross multiply
    1,631,226.72x = 2,251,720.68 × 1,087,164
  4. Step 4: Simplify right side
    1,631,226.72x = 2,447,989,661,351.52
  5. Step 5: Solve for x
    x = 2,447,989,661,351.52/1,631,226.72
  6. Step 6: Final answer
    x = 1,500,704.73

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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.