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Finding the Fourth Proportional to 1,070,668, 1,606,624.08 and 479,692

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Solution

The fourth proportional to 1,070,668, 1,606,624.08 and 479,692 is: 719,816.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070,668 : 1,606,624.08 = 479,692 : x
  2. Step 2: Convert to fraction form
    1,070,668/1,606,624.08 = 479,692/x
  3. Step 3: Cross multiply
    1,070,668x = 1,606,624.08 × 479,692
  4. Step 4: Simplify right side
    1,070,668x = 770,684,718,183.36
  5. Step 5: Solve for x
    x = 770,684,718,183.36/1,070,668
  6. Step 6: Final answer
    x = 719,816.71

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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.