Home / 1,538,200.63-2,122,739.12-849,888.33

Finding the Fourth Proportional to 1,538,200.63, 2,122,739.12 and 849,888.33

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Solution

The fourth proportional to 1,538,200.63, 2,122,739.12 and 849,888.33 is: 1,172,858.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,538,200.63 : 2,122,739.12 = 849,888.33 : x
  2. Step 2: Convert to fraction form
    1,538,200.63/2,122,739.12 = 849,888.33/x
  3. Step 3: Cross multiply
    1,538,200.63x = 2,122,739.12 × 849,888.33
  4. Step 4: Simplify right side
    1,538,200.63x = 1,804,091,205,722.47
  5. Step 5: Solve for x
    x = 1,804,091,205,722.47/1,538,200.63
  6. Step 6: Final answer
    x = 1,172,858.19

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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.