Home / 1,558,929.24-2,338,640.10-660,376.80

Finding the Fourth Proportional to 1,558,929.24, 2,338,640.10 and 660,376.80

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Solution

The fourth proportional to 1,558,929.24, 2,338,640.10 and 660,376.80 is: 990,669.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,558,929.24 : 2,338,640.10 = 660,376.80 : x
  2. Step 2: Convert to fraction form
    1,558,929.24/2,338,640.10 = 660,376.80/x
  3. Step 3: Cross multiply
    1,558,929.24x = 2,338,640.10 × 660,376.80
  4. Step 4: Simplify right side
    1,558,929.24x = 1,544,383,665,589.68
  5. Step 5: Solve for x
    x = 1,544,383,665,589.68/1,558,929.24
  6. Step 6: Final answer
    x = 990,669.51

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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.