Home / 1,308,382.11-1,805,302.59-764,412.84

Finding the Fourth Proportional to 1,308,382.11, 1,805,302.59 and 764,412.84

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Solution

The fourth proportional to 1,308,382.11, 1,805,302.59 and 764,412.84 is: 1,054,735.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,308,382.11 : 1,805,302.59 = 764,412.84 : x
  2. Step 2: Convert to fraction form
    1,308,382.11/1,805,302.59 = 764,412.84/x
  3. Step 3: Cross multiply
    1,308,382.11x = 1,805,302.59 × 764,412.84
  4. Step 4: Simplify right side
    1,308,382.11x = 1,379,996,479,881.26
  5. Step 5: Solve for x
    x = 1,379,996,479,881.26/1,308,382.11
  6. Step 6: Final answer
    x = 1,054,735.06

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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.