Home / 1,058,447.55-1,460,782.83-628,729.39

Finding the Fourth Proportional to 1,058,447.55, 1,460,782.83 and 628,729.39

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Solution

The fourth proportional to 1,058,447.55, 1,460,782.83 and 628,729.39 is: 867,720.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,058,447.55 : 1,460,782.83 = 628,729.39 : x
  2. Step 2: Convert to fraction form
    1,058,447.55/1,460,782.83 = 628,729.39/x
  3. Step 3: Cross multiply
    1,058,447.55x = 1,460,782.83 × 628,729.39
  4. Step 4: Simplify right side
    1,058,447.55x = 918,437,099,200.20
  5. Step 5: Solve for x
    x = 918,437,099,200.20/1,058,447.55
  6. Step 6: Final answer
    x = 867,720.93

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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.