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Finding the Fourth Proportional to 999,955.83, 1,500,224.22 and 360,247.40

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Solution

The fourth proportional to 999,955.83, 1,500,224.22 and 360,247.40 is: 540,475.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,955.83 : 1,500,224.22 = 360,247.40 : x
  2. Step 2: Convert to fraction form
    999,955.83/1,500,224.22 = 360,247.40/x
  3. Step 3: Cross multiply
    999,955.83x = 1,500,224.22 × 360,247.40
  4. Step 4: Simplify right side
    999,955.83x = 540,451,867,170.91
  5. Step 5: Solve for x
    x = 540,451,867,170.91/999,955.83
  6. Step 6: Final answer
    x = 540,475.74

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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.