Home / 1,276,125.39-1,917,703.08-677,534.58

Finding the Fourth Proportional to 1,276,125.39, 1,917,703.08 and 677,534.58

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Solution

The fourth proportional to 1,276,125.39, 1,917,703.08 and 677,534.58 is: 1,018,168.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,125.39 : 1,917,703.08 = 677,534.58 : x
  2. Step 2: Convert to fraction form
    1,276,125.39/1,917,703.08 = 677,534.58/x
  3. Step 3: Cross multiply
    1,276,125.39x = 1,917,703.08 × 677,534.58
  4. Step 4: Simplify right side
    1,276,125.39x = 1,299,310,150,872.51
  5. Step 5: Solve for x
    x = 1,299,310,150,872.51/1,276,125.39
  6. Step 6: Final answer
    x = 1,018,168.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.