Home / 1,092,129.90-1,638,194.85-714,216.30

Finding the Fourth Proportional to 1,092,129.90, 1,638,194.85 and 714,216.30

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Solution

The fourth proportional to 1,092,129.90, 1,638,194.85 and 714,216.30 is: 1,071,324.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,092,129.90 : 1,638,194.85 = 714,216.30 : x
  2. Step 2: Convert to fraction form
    1,092,129.90/1,638,194.85 = 714,216.30/x
  3. Step 3: Cross multiply
    1,092,129.90x = 1,638,194.85 × 714,216.30
  4. Step 4: Simplify right side
    1,092,129.90x = 1,170,025,464,446.06
  5. Step 5: Solve for x
    x = 1,170,025,464,446.06/1,092,129.90
  6. Step 6: Final answer
    x = 1,071,324.45

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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.