Home / 1,204,309.86-1,661,794.83-660,302.49

Finding the Fourth Proportional to 1,204,309.86, 1,661,794.83 and 660,302.49

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Solution

The fourth proportional to 1,204,309.86, 1,661,794.83 and 660,302.49 is: 911,133.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,204,309.86 : 1,661,794.83 = 660,302.49 : x
  2. Step 2: Convert to fraction form
    1,204,309.86/1,661,794.83 = 660,302.49/x
  3. Step 3: Cross multiply
    1,204,309.86x = 1,661,794.83 × 660,302.49
  4. Step 4: Simplify right side
    1,204,309.86x = 1,097,287,264,118.13
  5. Step 5: Solve for x
    x = 1,097,287,264,118.13/1,204,309.86
  6. Step 6: Final answer
    x = 911,133.67

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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.