Home / 1,040,849.12-1,561,798.32-410,215.52

Finding the Fourth Proportional to 1,040,849.12, 1,561,798.32 and 410,215.52

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Solution

The fourth proportional to 1,040,849.12, 1,561,798.32 and 410,215.52 is: 615,530.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,849.12 : 1,561,798.32 = 410,215.52 : x
  2. Step 2: Convert to fraction form
    1,040,849.12/1,561,798.32 = 410,215.52/x
  3. Step 3: Cross multiply
    1,040,849.12x = 1,561,798.32 × 410,215.52
  4. Step 4: Simplify right side
    1,040,849.12x = 640,673,909,973.93
  5. Step 5: Solve for x
    x = 640,673,909,973.93/1,040,849.12
  6. Step 6: Final answer
    x = 615,530.05

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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.