Home / 1,377,053.88-1,900,296.26-765,190.80

Finding the Fourth Proportional to 1,377,053.88, 1,900,296.26 and 765,190.80

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Solution

The fourth proportional to 1,377,053.88, 1,900,296.26 and 765,190.80 is: 1,055,942.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,053.88 : 1,900,296.26 = 765,190.80 : x
  2. Step 2: Convert to fraction form
    1,377,053.88/1,900,296.26 = 765,190.80/x
  3. Step 3: Cross multiply
    1,377,053.88x = 1,900,296.26 × 765,190.80
  4. Step 4: Simplify right side
    1,377,053.88x = 1,454,089,215,426.41
  5. Step 5: Solve for x
    x = 1,454,089,215,426.41/1,377,053.88
  6. Step 6: Final answer
    x = 1,055,942.14

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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.