Home / 1,413,820.80-1,951,071.84-769,240.32

Finding the Fourth Proportional to 1,413,820.80, 1,951,071.84 and 769,240.32

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Solution

The fourth proportional to 1,413,820.80, 1,951,071.84 and 769,240.32 is: 1,061,551.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,413,820.80 : 1,951,071.84 = 769,240.32 : x
  2. Step 2: Convert to fraction form
    1,413,820.80/1,951,071.84 = 769,240.32/x
  3. Step 3: Cross multiply
    1,413,820.80x = 1,951,071.84 × 769,240.32
  4. Step 4: Simplify right side
    1,413,820.80x = 1,500,843,126,544.59
  5. Step 5: Solve for x
    x = 1,500,843,126,544.59/1,413,820.80
  6. Step 6: Final answer
    x = 1,061,551.17

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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.