Home / 1,345,269.84-2,017,912.08-398,648.80

Finding the Fourth Proportional to 1,345,269.84, 2,017,912.08 and 398,648.80

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Solution

The fourth proportional to 1,345,269.84, 2,017,912.08 and 398,648.80 is: 597,975.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,269.84 : 2,017,912.08 = 398,648.80 : x
  2. Step 2: Convert to fraction form
    1,345,269.84/2,017,912.08 = 398,648.80/x
  3. Step 3: Cross multiply
    1,345,269.84x = 2,017,912.08 × 398,648.80
  4. Step 4: Simplify right side
    1,345,269.84x = 804,438,229,197.50
  5. Step 5: Solve for x
    x = 804,438,229,197.50/1,345,269.84
  6. Step 6: Final answer
    x = 597,975.37

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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.