Home / 1,412,877.86-1,949,712.21-801,071.78

Finding the Fourth Proportional to 1,412,877.86, 1,949,712.21 and 801,071.78

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Solution

The fourth proportional to 1,412,877.86, 1,949,712.21 and 801,071.78 is: 1,105,445.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412,877.86 : 1,949,712.21 = 801,071.78 : x
  2. Step 2: Convert to fraction form
    1,412,877.86/1,949,712.21 = 801,071.78/x
  3. Step 3: Cross multiply
    1,412,877.86x = 1,949,712.21 × 801,071.78
  4. Step 4: Simplify right side
    1,412,877.86x = 1,561,859,430,552.43
  5. Step 5: Solve for x
    x = 1,561,859,430,552.43/1,412,877.86
  6. Step 6: Final answer
    x = 1,105,445.47

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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.