Home / 1,331,404.25-1,836,889.09-758,038.46

Finding the Fourth Proportional to 1,331,404.25, 1,836,889.09 and 758,038.46

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Solution

The fourth proportional to 1,331,404.25, 1,836,889.09 and 758,038.46 is: 1,045,837.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,404.25 : 1,836,889.09 = 758,038.46 : x
  2. Step 2: Convert to fraction form
    1,331,404.25/1,836,889.09 = 758,038.46/x
  3. Step 3: Cross multiply
    1,331,404.25x = 1,836,889.09 × 758,038.46
  4. Step 4: Simplify right side
    1,331,404.25x = 1,392,432,577,648.68
  5. Step 5: Solve for x
    x = 1,392,432,577,648.68/1,331,404.25
  6. Step 6: Final answer
    x = 1,045,837.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.