Home / 1,108,429.31-1,662,643.97-266,981.06

Finding the Fourth Proportional to 1,108,429.31, 1,662,643.97 and 266,981.06

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Solution

The fourth proportional to 1,108,429.31, 1,662,643.97 and 266,981.06 is: 400,471.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,429.31 : 1,662,643.97 = 266,981.06 : x
  2. Step 2: Convert to fraction form
    1,108,429.31/1,662,643.97 = 266,981.06/x
  3. Step 3: Cross multiply
    1,108,429.31x = 1,662,643.97 × 266,981.06
  4. Step 4: Simplify right side
    1,108,429.31x = 443,894,453,336.09
  5. Step 5: Solve for x
    x = 443,894,453,336.09/1,108,429.31
  6. Step 6: Final answer
    x = 400,471.59

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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.