Home / 1,412,578.73-2,118,641.09-387,669.55

Finding the Fourth Proportional to 1,412,578.73, 2,118,641.09 and 387,669.55

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Solution

The fourth proportional to 1,412,578.73, 2,118,641.09 and 387,669.55 is: 581,442.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412,578.73 : 2,118,641.09 = 387,669.55 : x
  2. Step 2: Convert to fraction form
    1,412,578.73/2,118,641.09 = 387,669.55/x
  3. Step 3: Cross multiply
    1,412,578.73x = 2,118,641.09 × 387,669.55
  4. Step 4: Simplify right side
    1,412,578.73x = 821,332,641,758.31
  5. Step 5: Solve for x
    x = 821,332,641,758.31/1,412,578.73
  6. Step 6: Final answer
    x = 581,442.03

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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.