Home / 1,338,712.93-1,847,455.95-726,891.48

Finding the Fourth Proportional to 1,338,712.93, 1,847,455.95 and 726,891.48

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Solution

The fourth proportional to 1,338,712.93, 1,847,455.95 and 726,891.48 is: 1,003,127.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,712.93 : 1,847,455.95 = 726,891.48 : x
  2. Step 2: Convert to fraction form
    1,338,712.93/1,847,455.95 = 726,891.48/x
  3. Step 3: Cross multiply
    1,338,712.93x = 1,847,455.95 × 726,891.48
  4. Step 4: Simplify right side
    1,338,712.93x = 1,342,899,979,707.43
  5. Step 5: Solve for x
    x = 1,342,899,979,707.43/1,338,712.93
  6. Step 6: Final answer
    x = 1,003,127.67

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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.