Home / 1,096,905.72-1,645,748.24-489,639

Finding the Fourth Proportional to 1,096,905.72, 1,645,748.24 and 489,639

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Solution

The fourth proportional to 1,096,905.72, 1,645,748.24 and 489,639 is: 734,632.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,096,905.72 : 1,645,748.24 = 489,639 : x
  2. Step 2: Convert to fraction form
    1,096,905.72/1,645,748.24 = 489,639/x
  3. Step 3: Cross multiply
    1,096,905.72x = 1,645,748.24 × 489,639
  4. Step 4: Simplify right side
    1,096,905.72x = 805,822,522,485.36
  5. Step 5: Solve for x
    x = 805,822,522,485.36/1,096,905.72
  6. Step 6: Final answer
    x = 734,632.44

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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.