Home / 1,230,340.05-1,845,606.47-331,768.17

Finding the Fourth Proportional to 1,230,340.05, 1,845,606.47 and 331,768.17

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Solution

The fourth proportional to 1,230,340.05, 1,845,606.47 and 331,768.17 is: 497,678.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,340.05 : 1,845,606.47 = 331,768.17 : x
  2. Step 2: Convert to fraction form
    1,230,340.05/1,845,606.47 = 331,768.17/x
  3. Step 3: Cross multiply
    1,230,340.05x = 1,845,606.47 × 331,768.17
  4. Step 4: Simplify right side
    1,230,340.05x = 612,313,479,433.22
  5. Step 5: Solve for x
    x = 612,313,479,433.22/1,230,340.05
  6. Step 6: Final answer
    x = 497,678.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.