Home / 1,091,741.20-1,637,842.20-343,862.80

Finding the Fourth Proportional to 1,091,741.20, 1,637,842.20 and 343,862.80

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Solution

The fourth proportional to 1,091,741.20, 1,637,842.20 and 343,862.80 is: 515,866.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,741.20 : 1,637,842.20 = 343,862.80 : x
  2. Step 2: Convert to fraction form
    1,091,741.20/1,637,842.20 = 343,862.80/x
  3. Step 3: Cross multiply
    1,091,741.20x = 1,637,842.20 × 343,862.80
  4. Step 4: Simplify right side
    1,091,741.20x = 563,193,004,850.16
  5. Step 5: Solve for x
    x = 563,193,004,850.16/1,091,741.20
  6. Step 6: Final answer
    x = 515,866.77

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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.