Home / 1,428,881.13-1,971,783.92-848,129.61

Finding the Fourth Proportional to 1,428,881.13, 1,971,783.92 and 848,129.61

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Solution

The fourth proportional to 1,428,881.13, 1,971,783.92 and 848,129.61 is: 1,170,376.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,428,881.13 : 1,971,783.92 = 848,129.61 : x
  2. Step 2: Convert to fraction form
    1,428,881.13/1,971,783.92 = 848,129.61/x
  3. Step 3: Cross multiply
    1,428,881.13x = 1,971,783.92 × 848,129.61
  4. Step 4: Simplify right side
    1,428,881.13x = 1,672,328,322,833.22
  5. Step 5: Solve for x
    x = 1,672,328,322,833.22/1,428,881.13
  6. Step 6: Final answer
    x = 1,170,376.10

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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.