Home / 995,189.19-1,491,899.87-387,836.82

Finding the Fourth Proportional to 995,189.19, 1,491,899.87 and 387,836.82

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Solution

The fourth proportional to 995,189.19, 1,491,899.87 and 387,836.82 is: 581,410.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,189.19 : 1,491,899.87 = 387,836.82 : x
  2. Step 2: Convert to fraction form
    995,189.19/1,491,899.87 = 387,836.82/x
  3. Step 3: Cross multiply
    995,189.19x = 1,491,899.87 × 387,836.82
  4. Step 4: Simplify right side
    995,189.19x = 578,613,699,400.03
  5. Step 5: Solve for x
    x = 578,613,699,400.03/995,189.19
  6. Step 6: Final answer
    x = 581,410.76

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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.