Home / 999,881.20-1,500,059.40-325,966.96

Finding the Fourth Proportional to 999,881.20, 1,500,059.40 and 325,966.96

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Solution

The fourth proportional to 999,881.20, 1,500,059.40 and 325,966.96 is: 489,027.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,881.20 : 1,500,059.40 = 325,966.96 : x
  2. Step 2: Convert to fraction form
    999,881.20/1,500,059.40 = 325,966.96/x
  3. Step 3: Cross multiply
    999,881.20x = 1,500,059.40 × 325,966.96
  4. Step 4: Simplify right side
    999,881.20x = 488,969,802,437.42
  5. Step 5: Solve for x
    x = 488,969,802,437.42/999,881.20
  6. Step 6: Final answer
    x = 489,027.90

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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.