Home / 1,225,367.54-1,691,363.31-817,468.37

Finding the Fourth Proportional to 1,225,367.54, 1,691,363.31 and 817,468.37

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Solution

The fourth proportional to 1,225,367.54, 1,691,363.31 and 817,468.37 is: 1,128,343.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,367.54 : 1,691,363.31 = 817,468.37 : x
  2. Step 2: Convert to fraction form
    1,225,367.54/1,691,363.31 = 817,468.37/x
  3. Step 3: Cross multiply
    1,225,367.54x = 1,691,363.31 × 817,468.37
  4. Step 4: Simplify right side
    1,225,367.54x = 1,382,636,014,657.49
  5. Step 5: Solve for x
    x = 1,382,636,014,657.49/1,225,367.54
  6. Step 6: Final answer
    x = 1,128,343.92

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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.