Home / 1,091,539.90-1,638,087.45-460,906.30

Finding the Fourth Proportional to 1,091,539.90, 1,638,087.45 and 460,906.30

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Solution

The fourth proportional to 1,091,539.90, 1,638,087.45 and 460,906.30 is: 691,687.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,539.90 : 1,638,087.45 = 460,906.30 : x
  2. Step 2: Convert to fraction form
    1,091,539.90/1,638,087.45 = 460,906.30/x
  3. Step 3: Cross multiply
    1,091,539.90x = 1,638,087.45 × 460,906.30
  4. Step 4: Simplify right side
    1,091,539.90x = 755,004,825,655.94
  5. Step 5: Solve for x
    x = 755,004,825,655.94/1,091,539.90
  6. Step 6: Final answer
    x = 691,687.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.