Home / 1,538,263.82-2,122,846.91-849,980.22

Finding the Fourth Proportional to 1,538,263.82, 2,122,846.91 and 849,980.22

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Solution

The fourth proportional to 1,538,263.82, 2,122,846.91 and 849,980.22 is: 1,172,996.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,538,263.82 : 2,122,846.91 = 849,980.22 : x
  2. Step 2: Convert to fraction form
    1,538,263.82/2,122,846.91 = 849,980.22/x
  3. Step 3: Cross multiply
    1,538,263.82x = 2,122,846.91 × 849,980.22
  4. Step 4: Simplify right side
    1,538,263.82x = 1,804,377,879,338.22
  5. Step 5: Solve for x
    x = 1,804,377,879,338.22/1,538,263.82
  6. Step 6: Final answer
    x = 1,172,996.38

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1.5x scale

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.