Home / 1,121,507.16-1,681,845.16-401,736.68

Finding the Fourth Proportional to 1,121,507.16, 1,681,845.16 and 401,736.68

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Solution

The fourth proportional to 1,121,507.16, 1,681,845.16 and 401,736.68 is: 602,456.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,507.16 : 1,681,845.16 = 401,736.68 : x
  2. Step 2: Convert to fraction form
    1,121,507.16/1,681,845.16 = 401,736.68/x
  3. Step 3: Cross multiply
    1,121,507.16x = 1,681,845.16 × 401,736.68
  4. Step 4: Simplify right side
    1,121,507.16x = 675,658,890,852.47
  5. Step 5: Solve for x
    x = 675,658,890,852.47/1,121,507.16
  6. Step 6: Final answer
    x = 602,456.15

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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.