Home / 1,760,290.57-2,640,847.74-545,803.30

Finding the Fourth Proportional to 1,760,290.57, 2,640,847.74 and 545,803.30

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Solution

The fourth proportional to 1,760,290.57, 2,640,847.74 and 545,803.30 is: 818,832.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,760,290.57 : 2,640,847.74 = 545,803.30 : x
  2. Step 2: Convert to fraction form
    1,760,290.57/2,640,847.74 = 545,803.30/x
  3. Step 3: Cross multiply
    1,760,290.57x = 2,640,847.74 × 545,803.30
  4. Step 4: Simplify right side
    1,760,290.57x = 1,441,383,411,289.54
  5. Step 5: Solve for x
    x = 1,441,383,411,289.54/1,760,290.57
  6. Step 6: Final answer
    x = 818,832.66

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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.