Home / 1,384,439.06-2,073,876.94-689,911.04

Finding the Fourth Proportional to 1,384,439.06, 2,073,876.94 and 689,911.04

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Solution

The fourth proportional to 1,384,439.06, 2,073,876.94 and 689,911.04 is: 1,033,480.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,439.06 : 2,073,876.94 = 689,911.04 : x
  2. Step 2: Convert to fraction form
    1,384,439.06/2,073,876.94 = 689,911.04/x
  3. Step 3: Cross multiply
    1,384,439.06x = 2,073,876.94 × 689,911.04
  4. Step 4: Simplify right side
    1,384,439.06x = 1,430,790,596,507.42
  5. Step 5: Solve for x
    x = 1,430,790,596,507.42/1,384,439.06
  6. Step 6: Final answer
    x = 1,033,480.37

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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.