Home / 1,207,112.50-1,810,891.77-397,542.34

Finding the Fourth Proportional to 1,207,112.50, 1,810,891.77 and 397,542.34

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Solution

The fourth proportional to 1,207,112.50, 1,810,891.77 and 397,542.34 is: 596,386.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,112.50 : 1,810,891.77 = 397,542.34 : x
  2. Step 2: Convert to fraction form
    1,207,112.50/1,810,891.77 = 397,542.34/x
  3. Step 3: Cross multiply
    1,207,112.50x = 1,810,891.77 × 397,542.34
  4. Step 4: Simplify right side
    1,207,112.50x = 719,906,151,732.54
  5. Step 5: Solve for x
    x = 719,906,151,732.54/1,207,112.50
  6. Step 6: Final answer
    x = 596,386.96

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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.