Home / 1,057,669.91-1,587,135.25-383,803.78

Finding the Fourth Proportional to 1,057,669.91, 1,587,135.25 and 383,803.78

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Solution

The fourth proportional to 1,057,669.91, 1,587,135.25 and 383,803.78 is: 575,934.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,057,669.91 : 1,587,135.25 = 383,803.78 : x
  2. Step 2: Convert to fraction form
    1,057,669.91/1,587,135.25 = 383,803.78/x
  3. Step 3: Cross multiply
    1,057,669.91x = 1,587,135.25 × 383,803.78
  4. Step 4: Simplify right side
    1,057,669.91x = 609,148,508,321.25
  5. Step 5: Solve for x
    x = 609,148,508,321.25/1,057,669.91
  6. Step 6: Final answer
    x = 575,934.42

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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.