Home / 1,121,505.16-1,681,842.16-401,734.68

Finding the Fourth Proportional to 1,121,505.16, 1,681,842.16 and 401,734.68

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Solution

The fourth proportional to 1,121,505.16, 1,681,842.16 and 401,734.68 is: 602,453.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,505.16 : 1,681,842.16 = 401,734.68 : x
  2. Step 2: Convert to fraction form
    1,121,505.16/1,681,842.16 = 401,734.68/x
  3. Step 3: Cross multiply
    1,121,505.16x = 1,681,842.16 × 401,734.68
  4. Step 4: Simplify right side
    1,121,505.16x = 675,654,321,958.11
  5. Step 5: Solve for x
    x = 675,654,321,958.11/1,121,505.16
  6. Step 6: Final answer
    x = 602,453.15

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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.