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Finding the Fourth Proportional to 999,954.70, 1,500,222.53 and 360,246.27

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Solution

The fourth proportional to 999,954.70, 1,500,222.53 and 360,246.27 is: 540,474.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,954.70 : 1,500,222.53 = 360,246.27 : x
  2. Step 2: Convert to fraction form
    999,954.70/1,500,222.53 = 360,246.27/x
  3. Step 3: Cross multiply
    999,954.70x = 1,500,222.53 × 360,246.27
  4. Step 4: Simplify right side
    999,954.70x = 540,449,568,690.16
  5. Step 5: Solve for x
    x = 540,449,568,690.16/999,954.70
  6. Step 6: Final answer
    x = 540,474.05

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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.