Home / 1,738,172.75-2,608,006.47-840,289.65

Finding the Fourth Proportional to 1,738,172.75, 2,608,006.47 and 840,289.65

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Solution

The fourth proportional to 1,738,172.75, 2,608,006.47 and 840,289.65 is: 1,260,795.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,738,172.75 : 2,608,006.47 = 840,289.65 : x
  2. Step 2: Convert to fraction form
    1,738,172.75/2,608,006.47 = 840,289.65/x
  3. Step 3: Cross multiply
    1,738,172.75x = 2,608,006.47 × 840,289.65
  4. Step 4: Simplify right side
    1,738,172.75x = 2,191,480,839,672.59
  5. Step 5: Solve for x
    x = 2,191,480,839,672.59/1,738,172.75
  6. Step 6: Final answer
    x = 1,260,795.76

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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.