Home / 1,355,554.32-2,031,912.78-456,685.44

Finding the Fourth Proportional to 1,355,554.32, 2,031,912.78 and 456,685.44

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Solution

The fourth proportional to 1,355,554.32, 2,031,912.78 and 456,685.44 is: 684,550.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,355,554.32 : 2,031,912.78 = 456,685.44 : x
  2. Step 2: Convert to fraction form
    1,355,554.32/2,031,912.78 = 456,685.44/x
  3. Step 3: Cross multiply
    1,355,554.32x = 2,031,912.78 × 456,685.44
  4. Step 4: Simplify right side
    1,355,554.32x = 927,944,981,975.92
  5. Step 5: Solve for x
    x = 927,944,981,975.92/1,355,554.32
  6. Step 6: Final answer
    x = 684,550.20

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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.