Home / 1,427,239.71-2,140,631.55-416,125.22

Finding the Fourth Proportional to 1,427,239.71, 2,140,631.55 and 416,125.22

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Solution

The fourth proportional to 1,427,239.71, 2,140,631.55 and 416,125.22 is: 624,121.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,239.71 : 2,140,631.55 = 416,125.22 : x
  2. Step 2: Convert to fraction form
    1,427,239.71/2,140,631.55 = 416,125.22/x
  3. Step 3: Cross multiply
    1,427,239.71x = 2,140,631.55 × 416,125.22
  4. Step 4: Simplify right side
    1,427,239.71x = 890,770,763,979.53
  5. Step 5: Solve for x
    x = 890,770,763,979.53/1,427,239.71
  6. Step 6: Final answer
    x = 624,121.34

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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.