Home / 1,108,009.14-1,662,309.99-398,043.42

Finding the Fourth Proportional to 1,108,009.14, 1,662,309.99 and 398,043.42

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Solution

The fourth proportional to 1,108,009.14, 1,662,309.99 and 398,043.42 is: 597,171.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,009.14 : 1,662,309.99 = 398,043.42 : x
  2. Step 2: Convert to fraction form
    1,108,009.14/1,662,309.99 = 398,043.42/x
  3. Step 3: Cross multiply
    1,108,009.14x = 1,662,309.99 × 398,043.42
  4. Step 4: Simplify right side
    1,108,009.14x = 661,671,553,519.77
  5. Step 5: Solve for x
    x = 661,671,553,519.77/1,108,009.14
  6. Step 6: Final answer
    x = 597,171.57

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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.