Home / 1,377,253.58-1,900,571.96-765,390.92

Finding the Fourth Proportional to 1,377,253.58, 1,900,571.96 and 765,390.92

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Solution

The fourth proportional to 1,377,253.58, 1,900,571.96 and 765,390.92 is: 1,056,218.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,253.58 : 1,900,571.96 = 765,390.92 : x
  2. Step 2: Convert to fraction form
    1,377,253.58/1,900,571.96 = 765,390.92/x
  3. Step 3: Cross multiply
    1,377,253.58x = 1,900,571.96 × 765,390.92
  4. Step 4: Simplify right side
    1,377,253.58x = 1,454,680,513,401.22
  5. Step 5: Solve for x
    x = 1,454,680,513,401.22/1,377,253.58
  6. Step 6: Final answer
    x = 1,056,218.36

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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.