Home / 1,268,411.54-1,902,414.78-369,643.07

Finding the Fourth Proportional to 1,268,411.54, 1,902,414.78 and 369,643.07

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Solution

The fourth proportional to 1,268,411.54, 1,902,414.78 and 369,643.07 is: 554,405.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,268,411.54 : 1,902,414.78 = 369,643.07 : x
  2. Step 2: Convert to fraction form
    1,268,411.54/1,902,414.78 = 369,643.07/x
  3. Step 3: Cross multiply
    1,268,411.54x = 1,902,414.78 × 369,643.07
  4. Step 4: Simplify right side
    1,268,411.54x = 703,214,430,180.50
  5. Step 5: Solve for x
    x = 703,214,430,180.50/1,268,411.54
  6. Step 6: Final answer
    x = 554,405.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.