Home / 1,215,649.98-1,677,661.56-699,482.34

Finding the Fourth Proportional to 1,215,649.98, 1,677,661.56 and 699,482.34

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Solution

The fourth proportional to 1,215,649.98, 1,677,661.56 and 699,482.34 is: 965,322.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,649.98 : 1,677,661.56 = 699,482.34 : x
  2. Step 2: Convert to fraction form
    1,215,649.98/1,677,661.56 = 699,482.34/x
  3. Step 3: Cross multiply
    1,215,649.98x = 1,677,661.56 × 699,482.34
  4. Step 4: Simplify right side
    1,215,649.98x = 1,173,494,633,716.85
  5. Step 5: Solve for x
    x = 1,173,494,633,716.85/1,215,649.98
  6. Step 6: Final answer
    x = 965,322.79

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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.