Home / 1,058,446.60-1,460,781.51-628,728.43

Finding the Fourth Proportional to 1,058,446.60, 1,460,781.51 and 628,728.43

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Solution

The fourth proportional to 1,058,446.60, 1,460,781.51 and 628,728.43 is: 867,719.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,058,446.60 : 1,460,781.51 = 628,728.43 : x
  2. Step 2: Convert to fraction form
    1,058,446.60/1,460,781.51 = 628,728.43/x
  3. Step 3: Cross multiply
    1,058,446.60x = 1,460,781.51 × 628,728.43
  4. Step 4: Simplify right side
    1,058,446.60x = 918,434,865,355.33
  5. Step 5: Solve for x
    x = 918,434,865,355.33/1,058,446.60
  6. Step 6: Final answer
    x = 867,719.60

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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.