Home / 1,148,435.47-1,722,912.73-379,931.37

Finding the Fourth Proportional to 1,148,435.47, 1,722,912.73 and 379,931.37

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Solution

The fourth proportional to 1,148,435.47, 1,722,912.73 and 379,931.37 is: 569,982.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,148,435.47 : 1,722,912.73 = 379,931.37 : x
  2. Step 2: Convert to fraction form
    1,148,435.47/1,722,912.73 = 379,931.37/x
  3. Step 3: Cross multiply
    1,148,435.47x = 1,722,912.73 × 379,931.37
  4. Step 4: Simplify right side
    1,148,435.47x = 654,588,591,334.28
  5. Step 5: Solve for x
    x = 654,588,591,334.28/1,148,435.47
  6. Step 6: Final answer
    x = 569,982.91

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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.