Home / 1,380,834.04-2,070,288.42-611,913.04

Finding the Fourth Proportional to 1,380,834.04, 2,070,288.42 and 611,913.04

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Solution

The fourth proportional to 1,380,834.04, 2,070,288.42 and 611,913.04 is: 917,442.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,380,834.04 : 2,070,288.42 = 611,913.04 : x
  2. Step 2: Convert to fraction form
    1,380,834.04/2,070,288.42 = 611,913.04/x
  3. Step 3: Cross multiply
    1,380,834.04x = 2,070,288.42 × 611,913.04
  4. Step 4: Simplify right side
    1,380,834.04x = 1,266,836,480,759.00
  5. Step 5: Solve for x
    x = 1,266,836,480,759.00/1,380,834.04
  6. Step 6: Final answer
    x = 917,442.97

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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.