Home / 1,058,135.38-1,459,999.65-628,560.34

Finding the Fourth Proportional to 1,058,135.38, 1,459,999.65 and 628,560.34

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Solution

The fourth proportional to 1,058,135.38, 1,459,999.65 and 628,560.34 is: 867,278.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,058,135.38 : 1,459,999.65 = 628,560.34 : x
  2. Step 2: Convert to fraction form
    1,058,135.38/1,459,999.65 = 628,560.34/x
  3. Step 3: Cross multiply
    1,058,135.38x = 1,459,999.65 × 628,560.34
  4. Step 4: Simplify right side
    1,058,135.38x = 917,697,876,403.88
  5. Step 5: Solve for x
    x = 917,697,876,403.88/1,058,135.38
  6. Step 6: Final answer
    x = 867,278.32

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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.