Home / 1,021,680.30-1,409,703.84-591,934.80

Finding the Fourth Proportional to 1,021,680.30, 1,409,703.84 and 591,934.80

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Solution

The fourth proportional to 1,021,680.30, 1,409,703.84 and 591,934.80 is: 816,745.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,680.30 : 1,409,703.84 = 591,934.80 : x
  2. Step 2: Convert to fraction form
    1,021,680.30/1,409,703.84 = 591,934.80/x
  3. Step 3: Cross multiply
    1,021,680.30x = 1,409,703.84 × 591,934.80
  4. Step 4: Simplify right side
    1,021,680.30x = 834,452,760,589.63
  5. Step 5: Solve for x
    x = 834,452,760,589.63/1,021,680.30
  6. Step 6: Final answer
    x = 816,745.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.