Home / 1,313,102.54-1,812,081.51-709,490.54

Finding the Fourth Proportional to 1,313,102.54, 1,812,081.51 and 709,490.54

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Solution

The fourth proportional to 1,313,102.54, 1,812,081.51 and 709,490.54 is: 979,096.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,102.54 : 1,812,081.51 = 709,490.54 : x
  2. Step 2: Convert to fraction form
    1,313,102.54/1,812,081.51 = 709,490.54/x
  3. Step 3: Cross multiply
    1,313,102.54x = 1,812,081.51 × 709,490.54
  4. Step 4: Simplify right side
    1,313,102.54x = 1,285,654,693,584.12
  5. Step 5: Solve for x
    x = 1,285,654,693,584.12/1,313,102.54
  6. Step 6: Final answer
    x = 979,096.95

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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.