Home / 1,398,165.50-2,097,294.73-387,297.65

Finding the Fourth Proportional to 1,398,165.50, 2,097,294.73 and 387,297.65

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Solution

The fourth proportional to 1,398,165.50, 2,097,294.73 and 387,297.65 is: 580,959.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,398,165.50 : 2,097,294.73 = 387,297.65 : x
  2. Step 2: Convert to fraction form
    1,398,165.50/2,097,294.73 = 387,297.65/x
  3. Step 3: Cross multiply
    1,398,165.50x = 2,097,294.73 × 387,297.65
  4. Step 4: Simplify right side
    1,398,165.50x = 812,277,324,561.38
  5. Step 5: Solve for x
    x = 812,277,324,561.38/1,398,165.50
  6. Step 6: Final answer
    x = 580,959.35

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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.