Home / 1,412,720.29-1,949,578.37-768,144.84

Finding the Fourth Proportional to 1,412,720.29, 1,949,578.37 and 768,144.84

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Solution

The fourth proportional to 1,412,720.29, 1,949,578.37 and 768,144.84 is: 1,060,053.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412,720.29 : 1,949,578.37 = 768,144.84 : x
  2. Step 2: Convert to fraction form
    1,412,720.29/1,949,578.37 = 768,144.84/x
  3. Step 3: Cross multiply
    1,412,720.29x = 1,949,578.37 × 768,144.84
  4. Step 4: Simplify right side
    1,412,720.29x = 1,497,558,565,091.11
  5. Step 5: Solve for x
    x = 1,497,558,565,091.11/1,412,720.29
  6. Step 6: Final answer
    x = 1,060,053.13

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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.