Home / 1,384,374.44-1,910,436.80-764,179.77

Finding the Fourth Proportional to 1,384,374.44, 1,910,436.80 and 764,179.77

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Solution

The fourth proportional to 1,384,374.44, 1,910,436.80 and 764,179.77 is: 1,054,568.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,374.44 : 1,910,436.80 = 764,179.77 : x
  2. Step 2: Convert to fraction form
    1,384,374.44/1,910,436.80 = 764,179.77/x
  3. Step 3: Cross multiply
    1,384,374.44x = 1,910,436.80 × 764,179.77
  4. Step 4: Simplify right side
    1,384,374.44x = 1,459,917,164,483.14
  5. Step 5: Solve for x
    x = 1,459,917,164,483.14/1,384,374.44
  6. Step 6: Final answer
    x = 1,054,568.13

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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.