Home / 1,247,028.45-1,720,753.03-703,131.83

Finding the Fourth Proportional to 1,247,028.45, 1,720,753.03 and 703,131.83

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Solution

The fourth proportional to 1,247,028.45, 1,720,753.03 and 703,131.83 is: 970,239.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,028.45 : 1,720,753.03 = 703,131.83 : x
  2. Step 2: Convert to fraction form
    1,247,028.45/1,720,753.03 = 703,131.83/x
  3. Step 3: Cross multiply
    1,247,028.45x = 1,720,753.03 × 703,131.83
  4. Step 4: Simplify right side
    1,247,028.45x = 1,209,916,226,961.94
  5. Step 5: Solve for x
    x = 1,209,916,226,961.94/1,247,028.45
  6. Step 6: Final answer
    x = 970,239.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.