Home / 1,370,286.28-1,890,998.76-758,481.16

Finding the Fourth Proportional to 1,370,286.28, 1,890,998.76 and 758,481.16

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Solution

The fourth proportional to 1,370,286.28, 1,890,998.76 and 758,481.16 is: 1,046,706.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,286.28 : 1,890,998.76 = 758,481.16 : x
  2. Step 2: Convert to fraction form
    1,370,286.28/1,890,998.76 = 758,481.16/x
  3. Step 3: Cross multiply
    1,370,286.28x = 1,890,998.76 × 758,481.16
  4. Step 4: Simplify right side
    1,370,286.28x = 1,434,286,933,043.36
  5. Step 5: Solve for x
    x = 1,434,286,933,043.36/1,370,286.28
  6. Step 6: Final answer
    x = 1,046,706.05

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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.