Home / 961,661.93-1,320,144.10-825,459.41

Finding the Fourth Proportional to 961,661.93, 1,320,144.10 and 825,459.41

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Solution

The fourth proportional to 961,661.93, 1,320,144.10 and 825,459.41 is: 1,133,168.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,661.93 : 1,320,144.10 = 825,459.41 : x
  2. Step 2: Convert to fraction form
    961,661.93/1,320,144.10 = 825,459.41/x
  3. Step 3: Cross multiply
    961,661.93x = 1,320,144.10 × 825,459.41
  4. Step 4: Simplify right side
    961,661.93x = 1,089,725,371,137.69
  5. Step 5: Solve for x
    x = 1,089,725,371,137.69/961,661.93
  6. Step 6: Final answer
    x = 1,133,168.88

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.