Home / 1,040,441.30-1,558,037.55-830,489.30

Finding the Fourth Proportional to 1,040,441.30, 1,558,037.55 and 830,489.30

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Solution

The fourth proportional to 1,040,441.30, 1,558,037.55 and 830,489.30 is: 1,243,639.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,441.30 : 1,558,037.55 = 830,489.30 : x
  2. Step 2: Convert to fraction form
    1,040,441.30/1,558,037.55 = 830,489.30/x
  3. Step 3: Cross multiply
    1,040,441.30x = 1,558,037.55 × 830,489.30
  4. Step 4: Simplify right side
    1,040,441.30x = 1,293,933,514,273.22
  5. Step 5: Solve for x
    x = 1,293,933,514,273.22/1,040,441.30
  6. Step 6: Final answer
    x = 1,243,639.13

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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.