Home / 1,391,519.23-2,087,993.03-662,867.63

Finding the Fourth Proportional to 1,391,519.23, 2,087,993.03 and 662,867.63

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Solution

The fourth proportional to 1,391,519.23, 2,087,993.03 and 662,867.63 is: 994,641.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,391,519.23 : 2,087,993.03 = 662,867.63 : x
  2. Step 2: Convert to fraction form
    1,391,519.23/2,087,993.03 = 662,867.63/x
  3. Step 3: Cross multiply
    1,391,519.23x = 2,087,993.03 × 662,867.63
  4. Step 4: Simplify right side
    1,391,519.23x = 1,384,062,989,595.45
  5. Step 5: Solve for x
    x = 1,384,062,989,595.45/1,391,519.23
  6. Step 6: Final answer
    x = 994,641.66

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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.