Home / 1,543,308.32-2,129,761.32-854,981.48

Finding the Fourth Proportional to 1,543,308.32, 2,129,761.32 and 854,981.48

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Solution

The fourth proportional to 1,543,308.32, 2,129,761.32 and 854,981.48 is: 1,179,872.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,543,308.32 : 2,129,761.32 = 854,981.48 : x
  2. Step 2: Convert to fraction form
    1,543,308.32/2,129,761.32 = 854,981.48/x
  3. Step 3: Cross multiply
    1,543,308.32x = 2,129,761.32 × 854,981.48
  4. Step 4: Simplify right side
    1,543,308.32x = 1,820,906,485,420.35
  5. Step 5: Solve for x
    x = 1,820,906,485,420.35/1,543,308.32
  6. Step 6: Final answer
    x = 1,179,872.14

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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.