Home / 1,291,076.12-1,935,280.38-492,143.24

Finding the Fourth Proportional to 1,291,076.12, 1,935,280.38 and 492,143.24

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Solution

The fourth proportional to 1,291,076.12, 1,935,280.38 and 492,143.24 is: 737,706.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,291,076.12 : 1,935,280.38 = 492,143.24 : x
  2. Step 2: Convert to fraction form
    1,291,076.12/1,935,280.38 = 492,143.24/x
  3. Step 3: Cross multiply
    1,291,076.12x = 1,935,280.38 × 492,143.24
  4. Step 4: Simplify right side
    1,291,076.12x = 952,435,156,521.63
  5. Step 5: Solve for x
    x = 952,435,156,521.63/1,291,076.12
  6. Step 6: Final answer
    x = 737,706.43

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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.