Home / 1,058,020.77-1,459,081.29-815,915.01

Finding the Fourth Proportional to 1,058,020.77, 1,459,081.29 and 815,915.01

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Solution

The fourth proportional to 1,058,020.77, 1,459,081.29 and 815,915.01 is: 1,125,201.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,058,020.77 : 1,459,081.29 = 815,915.01 : x
  2. Step 2: Convert to fraction form
    1,058,020.77/1,459,081.29 = 815,915.01/x
  3. Step 3: Cross multiply
    1,058,020.77x = 1,459,081.29 × 815,915.01
  4. Step 4: Simplify right side
    1,058,020.77x = 1,190,486,325,321.16
  5. Step 5: Solve for x
    x = 1,190,486,325,321.16/1,058,020.77
  6. Step 6: Final answer
    x = 1,125,201.28

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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.