Home / 1,292,772.41-1,939,291.05-494,725.17

Finding the Fourth Proportional to 1,292,772.41, 1,939,291.05 and 494,725.17

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Solution

The fourth proportional to 1,292,772.41, 1,939,291.05 and 494,725.17 is: 742,138.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,772.41 : 1,939,291.05 = 494,725.17 : x
  2. Step 2: Convert to fraction form
    1,292,772.41/1,939,291.05 = 494,725.17/x
  3. Step 3: Cross multiply
    1,292,772.41x = 1,939,291.05 × 494,725.17
  4. Step 4: Simplify right side
    1,292,772.41x = 959,416,094,390.73
  5. Step 5: Solve for x
    x = 959,416,094,390.73/1,292,772.41
  6. Step 6: Final answer
    x = 742,138.44

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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.