Home / 1,235,262.97-1,705,726.77-777,141.15

Finding the Fourth Proportional to 1,235,262.97, 1,705,726.77 and 777,141.15

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Solution

The fourth proportional to 1,235,262.97, 1,705,726.77 and 777,141.15 is: 1,073,124.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,262.97 : 1,705,726.77 = 777,141.15 : x
  2. Step 2: Convert to fraction form
    1,235,262.97/1,705,726.77 = 777,141.15/x
  3. Step 3: Cross multiply
    1,235,262.97x = 1,705,726.77 × 777,141.15
  4. Step 4: Simplify right side
    1,235,262.97x = 1,325,590,463,623.59
  5. Step 5: Solve for x
    x = 1,325,590,463,623.59/1,235,262.97
  6. Step 6: Final answer
    x = 1,073,124.10

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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.