Home / 1,299,168.48-1,792,820.88-726,276

Finding the Fourth Proportional to 1,299,168.48, 1,792,820.88 and 726,276

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Solution

The fourth proportional to 1,299,168.48, 1,792,820.88 and 726,276 is: 1,002,243.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,168.48 : 1,792,820.88 = 726,276 : x
  2. Step 2: Convert to fraction form
    1,299,168.48/1,792,820.88 = 726,276/x
  3. Step 3: Cross multiply
    1,299,168.48x = 1,792,820.88 × 726,276
  4. Step 4: Simplify right side
    1,299,168.48x = 1,302,082,777,442.88
  5. Step 5: Solve for x
    x = 1,302,082,777,442.88/1,299,168.48
  6. Step 6: Final answer
    x = 1,002,243.20

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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.