Home / 1,058,129.15-1,459,223.57-816,028.25

Finding the Fourth Proportional to 1,058,129.15, 1,459,223.57 and 816,028.25

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Solution

The fourth proportional to 1,058,129.15, 1,459,223.57 and 816,028.25 is: 1,125,351.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,058,129.15 : 1,459,223.57 = 816,028.25 : x
  2. Step 2: Convert to fraction form
    1,058,129.15/1,459,223.57 = 816,028.25/x
  3. Step 3: Cross multiply
    1,058,129.15x = 1,459,223.57 × 816,028.25
  4. Step 4: Simplify right side
    1,058,129.15x = 1,190,767,644,809.59
  5. Step 5: Solve for x
    x = 1,190,767,644,809.59/1,058,129.15
  6. Step 6: Final answer
    x = 1,125,351.90

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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.