Home / 1,338,914.23-1,847,018.42-854,970.55

Finding the Fourth Proportional to 1,338,914.23, 1,847,018.42 and 854,970.55

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Solution

The fourth proportional to 1,338,914.23, 1,847,018.42 and 854,970.55 is: 1,179,423.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,914.23 : 1,847,018.42 = 854,970.55 : x
  2. Step 2: Convert to fraction form
    1,338,914.23/1,847,018.42 = 854,970.55/x
  3. Step 3: Cross multiply
    1,338,914.23x = 1,847,018.42 × 854,970.55
  4. Step 4: Simplify right side
    1,338,914.23x = 1,579,146,354,407.53
  5. Step 5: Solve for x
    x = 1,579,146,354,407.53/1,338,914.23
  6. Step 6: Final answer
    x = 1,179,423.09

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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.