Home / 1,308,967.20-1,963,232.10-362,433.60

Finding the Fourth Proportional to 1,308,967.20, 1,963,232.10 and 362,433.60

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Solution

The fourth proportional to 1,308,967.20, 1,963,232.10 and 362,433.60 is: 543,589.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,308,967.20 : 1,963,232.10 = 362,433.60 : x
  2. Step 2: Convert to fraction form
    1,308,967.20/1,963,232.10 = 362,433.60/x
  3. Step 3: Cross multiply
    1,308,967.20x = 1,963,232.10 × 362,433.60
  4. Step 4: Simplify right side
    1,308,967.20x = 711,541,277,638.56
  5. Step 5: Solve for x
    x = 711,541,277,638.56/1,308,967.20
  6. Step 6: Final answer
    x = 543,589.85

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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.