Home / 1,204,223.16-1,661,850.77-660,326.51

Finding the Fourth Proportional to 1,204,223.16, 1,661,850.77 and 660,326.51

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Solution

The fourth proportional to 1,204,223.16, 1,661,850.77 and 660,326.51 is: 911,263.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,204,223.16 : 1,661,850.77 = 660,326.51 : x
  2. Step 2: Convert to fraction form
    1,204,223.16/1,661,850.77 = 660,326.51/x
  3. Step 3: Cross multiply
    1,204,223.16x = 1,661,850.77 × 660,326.51
  4. Step 4: Simplify right side
    1,204,223.16x = 1,097,364,125,519.41
  5. Step 5: Solve for x
    x = 1,097,364,125,519.41/1,204,223.16
  6. Step 6: Final answer
    x = 911,263.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.