Home / 999,679.17-1,379,553.07-540,792.60

Finding the Fourth Proportional to 999,679.17, 1,379,553.07 and 540,792.60

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Solution

The fourth proportional to 999,679.17, 1,379,553.07 and 540,792.60 is: 746,291.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,679.17 : 1,379,553.07 = 540,792.60 : x
  2. Step 2: Convert to fraction form
    999,679.17/1,379,553.07 = 540,792.60/x
  3. Step 3: Cross multiply
    999,679.17x = 1,379,553.07 × 540,792.60
  4. Step 4: Simplify right side
    999,679.17x = 746,052,091,563.28
  5. Step 5: Solve for x
    x = 746,052,091,563.28/999,679.17
  6. Step 6: Final answer
    x = 746,291.52

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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.