Home / 681,047.20-1,021,570.80-606,251.80

Finding the Fourth Proportional to 681,047.20, 1,021,570.80 and 606,251.80

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Solution

The fourth proportional to 681,047.20, 1,021,570.80 and 606,251.80 is: 909,377.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,047.20 : 1,021,570.80 = 606,251.80 : x
  2. Step 2: Convert to fraction form
    681,047.20/1,021,570.80 = 606,251.80/x
  3. Step 3: Cross multiply
    681,047.20x = 1,021,570.80 × 606,251.80
  4. Step 4: Simplify right side
    681,047.20x = 619,329,136,327.44
  5. Step 5: Solve for x
    x = 619,329,136,327.44/681,047.20
  6. Step 6: Final answer
    x = 909,377.70

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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.