Home / 1,395,287.70-2,092,931.55-1,300,809.30

Finding the Fourth Proportional to 1,395,287.70, 2,092,931.55 and 1,300,809.30

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Solution

The fourth proportional to 1,395,287.70, 2,092,931.55 and 1,300,809.30 is: 1,951,213.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,395,287.70 : 2,092,931.55 = 1,300,809.30 : x
  2. Step 2: Convert to fraction form
    1,395,287.70/2,092,931.55 = 1,300,809.30/x
  3. Step 3: Cross multiply
    1,395,287.70x = 2,092,931.55 × 1,300,809.30
  4. Step 4: Simplify right side
    1,395,287.70x = 2,722,504,824,503.42
  5. Step 5: Solve for x
    x = 2,722,504,824,503.42/1,395,287.70
  6. Step 6: Final answer
    x = 1,951,213.95

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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.