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Finding the Fourth Proportional to 1,337,324.03, 1,845,507.17 and 764,376.51

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Solution

The fourth proportional to 1,337,324.03, 1,845,507.17 and 764,376.51 is: 1,054,839.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,337,324.03 : 1,845,507.17 = 764,376.51 : x
  2. Step 2: Convert to fraction form
    1,337,324.03/1,845,507.17 = 764,376.51/x
  3. Step 3: Cross multiply
    1,337,324.03x = 1,845,507.17 × 764,376.51
  4. Step 4: Simplify right side
    1,337,324.03x = 1,410,662,329,784.58
  5. Step 5: Solve for x
    x = 1,410,662,329,784.58/1,337,324.03
  6. Step 6: Final answer
    x = 1,054,839.59

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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.