Home / 1,092,181.70-1,638,272.55-714,268.10

Finding the Fourth Proportional to 1,092,181.70, 1,638,272.55 and 714,268.10

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Solution

The fourth proportional to 1,092,181.70, 1,638,272.55 and 714,268.10 is: 1,071,402.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,092,181.70 : 1,638,272.55 = 714,268.10 : x
  2. Step 2: Convert to fraction form
    1,092,181.70/1,638,272.55 = 714,268.10/x
  3. Step 3: Cross multiply
    1,092,181.70x = 1,638,272.55 × 714,268.10
  4. Step 4: Simplify right side
    1,092,181.70x = 1,170,165,821,570.66
  5. Step 5: Solve for x
    x = 1,170,165,821,570.66/1,092,181.70
  6. Step 6: Final answer
    x = 1,071,402.15

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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.