Home / 999,078.24-1,498,222.89-399,927.72

Finding the Fourth Proportional to 999,078.24, 1,498,222.89 and 399,927.72

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Solution

The fourth proportional to 999,078.24, 1,498,222.89 and 399,927.72 is: 599,733.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,078.24 : 1,498,222.89 = 399,927.72 : x
  2. Step 2: Convert to fraction form
    999,078.24/1,498,222.89 = 399,927.72/x
  3. Step 3: Cross multiply
    999,078.24x = 1,498,222.89 × 399,927.72
  4. Step 4: Simplify right side
    999,078.24x = 599,180,864,449.51
  5. Step 5: Solve for x
    x = 599,180,864,449.51/999,078.24
  6. Step 6: Final answer
    x = 599,733.67

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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.