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Finding the Fourth Proportional to 908,604.45, 1,359,954.23 and 908,604.45

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Solution

The fourth proportional to 908,604.45, 1,359,954.23 and 908,604.45 is: 1,359,954.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,604.45 : 1,359,954.23 = 908,604.45 : x
  2. Step 2: Convert to fraction form
    908,604.45/1,359,954.23 = 908,604.45/x
  3. Step 3: Cross multiply
    908,604.45x = 1,359,954.23 × 908,604.45
  4. Step 4: Simplify right side
    908,604.45x = 1,235,660,460,631.30
  5. Step 5: Solve for x
    x = 1,235,660,460,631.30/908,604.45
  6. Step 6: Final answer
    x = 1,359,954.23

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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.