Home / 1,370,219.97-1,890,889.51-758,373.92

Finding the Fourth Proportional to 1,370,219.97, 1,890,889.51 and 758,373.92

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Solution

The fourth proportional to 1,370,219.97, 1,890,889.51 and 758,373.92 is: 1,046,548.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,219.97 : 1,890,889.51 = 758,373.92 : x
  2. Step 2: Convert to fraction form
    1,370,219.97/1,890,889.51 = 758,373.92/x
  3. Step 3: Cross multiply
    1,370,219.97x = 1,890,889.51 × 758,373.92
  4. Step 4: Simplify right side
    1,370,219.97x = 1,434,001,285,258.36
  5. Step 5: Solve for x
    x = 1,434,001,285,258.36/1,370,219.97
  6. Step 6: Final answer
    x = 1,046,548.23

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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.