Home / 1,020,374.05-1,410,058.26-765,282.37

Finding the Fourth Proportional to 1,020,374.05, 1,410,058.26 and 765,282.37

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Solution

The fourth proportional to 1,020,374.05, 1,410,058.26 and 765,282.37 is: 1,057,546.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,374.05 : 1,410,058.26 = 765,282.37 : x
  2. Step 2: Convert to fraction form
    1,020,374.05/1,410,058.26 = 765,282.37/x
  3. Step 3: Cross multiply
    1,020,374.05x = 1,410,058.26 × 765,282.37
  4. Step 4: Simplify right side
    1,020,374.05x = 1,079,092,727,050.88
  5. Step 5: Solve for x
    x = 1,079,092,727,050.88/1,020,374.05
  6. Step 6: Final answer
    x = 1,057,546.23

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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.