Home / 1,092,139.10-1,638,208.65-985,850.90

Finding the Fourth Proportional to 1,092,139.10, 1,638,208.65 and 985,850.90

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Solution

The fourth proportional to 1,092,139.10, 1,638,208.65 and 985,850.90 is: 1,478,776.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,092,139.10 : 1,638,208.65 = 985,850.90 : x
  2. Step 2: Convert to fraction form
    1,092,139.10/1,638,208.65 = 985,850.90/x
  3. Step 3: Cross multiply
    1,092,139.10x = 1,638,208.65 × 985,850.90
  4. Step 4: Simplify right side
    1,092,139.10x = 1,615,029,471,990.29
  5. Step 5: Solve for x
    x = 1,615,029,471,990.29/1,092,139.10
  6. Step 6: Final answer
    x = 1,478,776.35

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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.