Home / 1,203,287.58-1,660,326.38-686,805.66

Finding the Fourth Proportional to 1,203,287.58, 1,660,326.38 and 686,805.66

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Solution

The fourth proportional to 1,203,287.58, 1,660,326.38 and 686,805.66 is: 947,671.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,203,287.58 : 1,660,326.38 = 686,805.66 : x
  2. Step 2: Convert to fraction form
    1,203,287.58/1,660,326.38 = 686,805.66/x
  3. Step 3: Cross multiply
    1,203,287.58x = 1,660,326.38 × 686,805.66
  4. Step 4: Simplify right side
    1,203,287.58x = 1,140,321,555,231.31
  5. Step 5: Solve for x
    x = 1,140,321,555,231.31/1,203,287.58
  6. Step 6: Final answer
    x = 947,671.67

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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.