Home / 1,517,309.80-2,275,964.70-395,378.80

Finding the Fourth Proportional to 1,517,309.80, 2,275,964.70 and 395,378.80

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Solution

The fourth proportional to 1,517,309.80, 2,275,964.70 and 395,378.80 is: 593,068.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,517,309.80 : 2,275,964.70 = 395,378.80 : x
  2. Step 2: Convert to fraction form
    1,517,309.80/2,275,964.70 = 395,378.80/x
  3. Step 3: Cross multiply
    1,517,309.80x = 2,275,964.70 × 395,378.80
  4. Step 4: Simplify right side
    1,517,309.80x = 899,868,191,928.36
  5. Step 5: Solve for x
    x = 899,868,191,928.36/1,517,309.80
  6. Step 6: Final answer
    x = 593,068.20

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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.