Home / 1,512,327.22-2,087,058.82-867,865.30

Finding the Fourth Proportional to 1,512,327.22, 2,087,058.82 and 867,865.30

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Solution

The fourth proportional to 1,512,327.22, 2,087,058.82 and 867,865.30 is: 1,197,681.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512,327.22 : 2,087,058.82 = 867,865.30 : x
  2. Step 2: Convert to fraction form
    1,512,327.22/2,087,058.82 = 867,865.30/x
  3. Step 3: Cross multiply
    1,512,327.22x = 2,087,058.82 × 867,865.30
  4. Step 4: Simplify right side
    1,512,327.22x = 1,811,285,918,501.65
  5. Step 5: Solve for x
    x = 1,811,285,918,501.65/1,512,327.22
  6. Step 6: Final answer
    x = 1,197,681.23

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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.