Home / 1,370,440.78-1,891,185.37-758,580.41

Finding the Fourth Proportional to 1,370,440.78, 1,891,185.37 and 758,580.41

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Solution

The fourth proportional to 1,370,440.78, 1,891,185.37 and 758,580.41 is: 1,046,828.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,440.78 : 1,891,185.37 = 758,580.41 : x
  2. Step 2: Convert to fraction form
    1,370,440.78/1,891,185.37 = 758,580.41/x
  3. Step 3: Cross multiply
    1,370,440.78x = 1,891,185.37 × 758,580.41
  4. Step 4: Simplify right side
    1,370,440.78x = 1,434,616,162,008.22
  5. Step 5: Solve for x
    x = 1,434,616,162,008.22/1,370,440.78
  6. Step 6: Final answer
    x = 1,046,828.28

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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.