Home / 1,384,374.82-1,910,437.63-764,180.36

Finding the Fourth Proportional to 1,384,374.82, 1,910,437.63 and 764,180.36

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Solution

The fourth proportional to 1,384,374.82, 1,910,437.63 and 764,180.36 is: 1,054,569.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,374.82 : 1,910,437.63 = 764,180.36 : x
  2. Step 2: Convert to fraction form
    1,384,374.82/1,910,437.63 = 764,180.36/x
  3. Step 3: Cross multiply
    1,384,374.82x = 1,910,437.63 × 764,180.36
  4. Step 4: Simplify right side
    1,384,374.82x = 1,459,918,918,716.59
  5. Step 5: Solve for x
    x = 1,459,918,918,716.59/1,384,374.82
  6. Step 6: Final answer
    x = 1,054,569.11

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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.