Home / 1,192,174.62-1,645,212.65-648,322.16

Finding the Fourth Proportional to 1,192,174.62, 1,645,212.65 and 648,322.16

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Solution

The fourth proportional to 1,192,174.62, 1,645,212.65 and 648,322.16 is: 894,690.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192,174.62 : 1,645,212.65 = 648,322.16 : x
  2. Step 2: Convert to fraction form
    1,192,174.62/1,645,212.65 = 648,322.16/x
  3. Step 3: Cross multiply
    1,192,174.62x = 1,645,212.65 × 648,322.16
  4. Step 4: Simplify right side
    1,192,174.62x = 1,066,627,816,040.41
  5. Step 5: Solve for x
    x = 1,066,627,816,040.41/1,192,174.62
  6. Step 6: Final answer
    x = 894,690.93

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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.