Home / 1,354,923.24-1,869,659.30-782,147.94

Finding the Fourth Proportional to 1,354,923.24, 1,869,659.30 and 782,147.94

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Solution

The fourth proportional to 1,354,923.24, 1,869,659.30 and 782,147.94 is: 1,079,286.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,354,923.24 : 1,869,659.30 = 782,147.94 : x
  2. Step 2: Convert to fraction form
    1,354,923.24/1,869,659.30 = 782,147.94/x
  3. Step 3: Cross multiply
    1,354,923.24x = 1,869,659.30 × 782,147.94
  4. Step 4: Simplify right side
    1,354,923.24x = 1,462,350,169,996.84
  5. Step 5: Solve for x
    x = 1,462,350,169,996.84/1,354,923.24
  6. Step 6: Final answer
    x = 1,079,286.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.