Home / 1,090,313.88-1,635,536.43-342,359.88

Finding the Fourth Proportional to 1,090,313.88, 1,635,536.43 and 342,359.88

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Solution

The fourth proportional to 1,090,313.88, 1,635,536.43 and 342,359.88 is: 513,560.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,313.88 : 1,635,536.43 = 342,359.88 : x
  2. Step 2: Convert to fraction form
    1,090,313.88/1,635,536.43 = 342,359.88/x
  3. Step 3: Cross multiply
    1,090,313.88x = 1,635,536.43 × 342,359.88
  4. Step 4: Simplify right side
    1,090,313.88x = 559,942,055,910.43
  5. Step 5: Solve for x
    x = 559,942,055,910.43/1,090,313.88
  6. Step 6: Final answer
    x = 513,560.42

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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.