Home / 1,397,795.73-1,928,494.17-1,139,228.07

Finding the Fourth Proportional to 1,397,795.73, 1,928,494.17 and 1,139,228.07

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Solution

The fourth proportional to 1,397,795.73, 1,928,494.17 and 1,139,228.07 is: 1,571,756.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,397,795.73 : 1,928,494.17 = 1,139,228.07 : x
  2. Step 2: Convert to fraction form
    1,397,795.73/1,928,494.17 = 1,139,228.07/x
  3. Step 3: Cross multiply
    1,397,795.73x = 1,928,494.17 × 1,139,228.07
  4. Step 4: Simplify right side
    1,397,795.73x = 2,196,994,691,295.35
  5. Step 5: Solve for x
    x = 2,196,994,691,295.35/1,397,795.73
  6. Step 6: Final answer
    x = 1,571,756.62

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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.