Home / 1,119,220.94-1,677,241.62-862,081.34

Finding the Fourth Proportional to 1,119,220.94, 1,677,241.62 and 862,081.34

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Solution

The fourth proportional to 1,119,220.94, 1,677,241.62 and 862,081.34 is: 1,291,897.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,220.94 : 1,677,241.62 = 862,081.34 : x
  2. Step 2: Convert to fraction form
    1,119,220.94/1,677,241.62 = 862,081.34/x
  3. Step 3: Cross multiply
    1,119,220.94x = 1,677,241.62 × 862,081.34
  4. Step 4: Simplify right side
    1,119,220.94x = 1,445,918,703,273.37
  5. Step 5: Solve for x
    x = 1,445,918,703,273.37/1,119,220.94
  6. Step 6: Final answer
    x = 1,291,897.47

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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.