Home / 1,161,906.48-1,603,398.92-645,647.04

Finding the Fourth Proportional to 1,161,906.48, 1,603,398.92 and 645,647.04

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Solution

The fourth proportional to 1,161,906.48, 1,603,398.92 and 645,647.04 is: 890,975.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,161,906.48 : 1,603,398.92 = 645,647.04 : x
  2. Step 2: Convert to fraction form
    1,161,906.48/1,603,398.92 = 645,647.04/x
  3. Step 3: Cross multiply
    1,161,906.48x = 1,603,398.92 × 645,647.04
  4. Step 4: Simplify right side
    1,161,906.48x = 1,035,229,766,637.20
  5. Step 5: Solve for x
    x = 1,035,229,766,637.20/1,161,906.48
  6. Step 6: Final answer
    x = 890,975.12

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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.