Home / 999,911.63-1,500,023.86-325,836.47

Finding the Fourth Proportional to 999,911.63, 1,500,023.86 and 325,836.47

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Solution

The fourth proportional to 999,911.63, 1,500,023.86 and 325,836.47 is: 488,805.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,911.63 : 1,500,023.86 = 325,836.47 : x
  2. Step 2: Convert to fraction form
    999,911.63/1,500,023.86 = 325,836.47/x
  3. Step 3: Cross multiply
    999,911.63x = 1,500,023.86 × 325,836.47
  4. Step 4: Simplify right side
    999,911.63x = 488,762,471,143.46
  5. Step 5: Solve for x
    x = 488,762,471,143.46/999,911.63
  6. Step 6: Final answer
    x = 488,805.67

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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.