Home / 1,204,351.47-1,661,914.64-660,400.11

Finding the Fourth Proportional to 1,204,351.47, 1,661,914.64 and 660,400.11

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Solution

The fourth proportional to 1,204,351.47, 1,661,914.64 and 660,400.11 is: 911,302.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,204,351.47 : 1,661,914.64 = 660,400.11 : x
  2. Step 2: Convert to fraction form
    1,204,351.47/1,661,914.64 = 660,400.11/x
  3. Step 3: Cross multiply
    1,204,351.47x = 1,661,914.64 × 660,400.11
  4. Step 4: Simplify right side
    1,204,351.47x = 1,097,528,607,764.61
  5. Step 5: Solve for x
    x = 1,097,528,607,764.61/1,204,351.47
  6. Step 6: Final answer
    x = 911,302.58

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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.