Home / 1,138,394.43-1,570,922.46-629,064

Finding the Fourth Proportional to 1,138,394.43, 1,570,922.46 and 629,064

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Solution

The fourth proportional to 1,138,394.43, 1,570,922.46 and 629,064 is: 868,074.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,394.43 : 1,570,922.46 = 629,064 : x
  2. Step 2: Convert to fraction form
    1,138,394.43/1,570,922.46 = 629,064/x
  3. Step 3: Cross multiply
    1,138,394.43x = 1,570,922.46 × 629,064
  4. Step 4: Simplify right side
    1,138,394.43x = 988,210,766,377.44
  5. Step 5: Solve for x
    x = 988,210,766,377.44/1,138,394.43
  6. Step 6: Final answer
    x = 868,074.14

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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.