Home / 1,058,448.05-1,460,783.52-628,729.89

Finding the Fourth Proportional to 1,058,448.05, 1,460,783.52 and 628,729.89

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Solution

The fourth proportional to 1,058,448.05, 1,460,783.52 and 628,729.89 is: 867,721.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,058,448.05 : 1,460,783.52 = 628,729.89 : x
  2. Step 2: Convert to fraction form
    1,058,448.05/1,460,783.52 = 628,729.89/x
  3. Step 3: Cross multiply
    1,058,448.05x = 1,460,783.52 × 628,729.89
  4. Step 4: Simplify right side
    1,058,448.05x = 918,438,261,843.41
  5. Step 5: Solve for x
    x = 918,438,261,843.41/1,058,448.05
  6. Step 6: Final answer
    x = 867,721.62

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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.