Home / 1,212,332.76-1,818,499.14-538,255.62

Finding the Fourth Proportional to 1,212,332.76, 1,818,499.14 and 538,255.62

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Solution

The fourth proportional to 1,212,332.76, 1,818,499.14 and 538,255.62 is: 807,383.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,332.76 : 1,818,499.14 = 538,255.62 : x
  2. Step 2: Convert to fraction form
    1,212,332.76/1,818,499.14 = 538,255.62/x
  3. Step 3: Cross multiply
    1,212,332.76x = 1,818,499.14 × 538,255.62
  4. Step 4: Simplify right side
    1,212,332.76x = 978,817,382,070.17
  5. Step 5: Solve for x
    x = 978,817,382,070.17/1,212,332.76
  6. Step 6: Final answer
    x = 807,383.43

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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.