Home / 1,805,855.22-2,492,334.09-1,117,747.80

Finding the Fourth Proportional to 1,805,855.22, 2,492,334.09 and 1,117,747.80

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Solution

The fourth proportional to 1,805,855.22, 2,492,334.09 and 1,117,747.80 is: 1,542,649.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,805,855.22 : 2,492,334.09 = 1,117,747.80 : x
  2. Step 2: Convert to fraction form
    1,805,855.22/2,492,334.09 = 1,117,747.80/x
  3. Step 3: Cross multiply
    1,805,855.22x = 2,492,334.09 × 1,117,747.80
  4. Step 4: Simplify right side
    1,805,855.22x = 2,785,800,945,962.50
  5. Step 5: Solve for x
    x = 2,785,800,945,962.50/1,805,855.22
  6. Step 6: Final answer
    x = 1,542,649.11

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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.