Home / 1,245,209.60-1,867,123.20-496,409.60

Finding the Fourth Proportional to 1,245,209.60, 1,867,123.20 and 496,409.60

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Solution

The fourth proportional to 1,245,209.60, 1,867,123.20 and 496,409.60 is: 744,338.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,209.60 : 1,867,123.20 = 496,409.60 : x
  2. Step 2: Convert to fraction form
    1,245,209.60/1,867,123.20 = 496,409.60/x
  3. Step 3: Cross multiply
    1,245,209.60x = 1,867,123.20 × 496,409.60
  4. Step 4: Simplify right side
    1,245,209.60x = 926,857,880,862.72
  5. Step 5: Solve for x
    x = 926,857,880,862.72/1,245,209.60
  6. Step 6: Final answer
    x = 744,338.85

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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.