Home / 1,212,248.69-1,818,382.14-538,148.77

Finding the Fourth Proportional to 1,212,248.69, 1,818,382.14 and 538,148.77

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Solution

The fourth proportional to 1,212,248.69, 1,818,382.14 and 538,148.77 is: 807,227.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,248.69 : 1,818,382.14 = 538,148.77 : x
  2. Step 2: Convert to fraction form
    1,212,248.69/1,818,382.14 = 538,148.77/x
  3. Step 3: Cross multiply
    1,212,248.69x = 1,818,382.14 × 538,148.77
  4. Step 4: Simplify right side
    1,212,248.69x = 978,560,112,030.97
  5. Step 5: Solve for x
    x = 978,560,112,030.97/1,212,248.69
  6. Step 6: Final answer
    x = 807,227.20

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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.