Home / 1,580,402.80-2,181,054.36-892,191.16

Finding the Fourth Proportional to 1,580,402.80, 2,181,054.36 and 892,191.16

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Solution

The fourth proportional to 1,580,402.80, 2,181,054.36 and 892,191.16 is: 1,231,279.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,580,402.80 : 2,181,054.36 = 892,191.16 : x
  2. Step 2: Convert to fraction form
    1,580,402.80/2,181,054.36 = 892,191.16/x
  3. Step 3: Cross multiply
    1,580,402.80x = 2,181,054.36 × 892,191.16
  4. Step 4: Simplify right side
    1,580,402.80x = 1,945,917,419,471.46
  5. Step 5: Solve for x
    x = 1,945,917,419,471.46/1,580,402.80
  6. Step 6: Final answer
    x = 1,231,279.41

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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.