Home / 1,141,286.75-1,574,956.26-631,978.19

Finding the Fourth Proportional to 1,141,286.75, 1,574,956.26 and 631,978.19

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Solution

The fourth proportional to 1,141,286.75, 1,574,956.26 and 631,978.19 is: 872,119.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,141,286.75 : 1,574,956.26 = 631,978.19 : x
  2. Step 2: Convert to fraction form
    1,141,286.75/1,574,956.26 = 631,978.19/x
  3. Step 3: Cross multiply
    1,141,286.75x = 1,574,956.26 × 631,978.19
  4. Step 4: Simplify right side
    1,141,286.75x = 995,337,998,649.19
  5. Step 5: Solve for x
    x = 995,337,998,649.19/1,141,286.75
  6. Step 6: Final answer
    x = 872,119.13

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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.