Home / 1,026,429.39-1,415,805.21-658,323.45

Finding the Fourth Proportional to 1,026,429.39, 1,415,805.21 and 658,323.45

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Solution

The fourth proportional to 1,026,429.39, 1,415,805.21 and 658,323.45 is: 908,058.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,026,429.39 : 1,415,805.21 = 658,323.45 : x
  2. Step 2: Convert to fraction form
    1,026,429.39/1,415,805.21 = 658,323.45/x
  3. Step 3: Cross multiply
    1,026,429.39x = 1,415,805.21 × 658,323.45
  4. Step 4: Simplify right side
    1,026,429.39x = 932,057,770,375.18
  5. Step 5: Solve for x
    x = 932,057,770,375.18/1,026,429.39
  6. Step 6: Final answer
    x = 908,058.34

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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.