Home / 1,131,979.70-1,697,752.84-439,546.66

Finding the Fourth Proportional to 1,131,979.70, 1,697,752.84 and 439,546.66

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Solution

The fourth proportional to 1,131,979.70, 1,697,752.84 and 439,546.66 is: 659,235.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,979.70 : 1,697,752.84 = 439,546.66 : x
  2. Step 2: Convert to fraction form
    1,131,979.70/1,697,752.84 = 439,546.66/x
  3. Step 3: Cross multiply
    1,131,979.70x = 1,697,752.84 × 439,546.66
  4. Step 4: Simplify right side
    1,131,979.70x = 746,241,590,327.51
  5. Step 5: Solve for x
    x = 746,241,590,327.51/1,131,979.70
  6. Step 6: Final answer
    x = 659,235.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.