Home / 1,270,885.48-1,753,383.51-812,268.50

Finding the Fourth Proportional to 1,270,885.48, 1,753,383.51 and 812,268.50

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Solution

The fourth proportional to 1,270,885.48, 1,753,383.51 and 812,268.50 is: 1,120,650.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270,885.48 : 1,753,383.51 = 812,268.50 : x
  2. Step 2: Convert to fraction form
    1,270,885.48/1,753,383.51 = 812,268.50/x
  3. Step 3: Cross multiply
    1,270,885.48x = 1,753,383.51 × 812,268.50
  4. Step 4: Simplify right side
    1,270,885.48x = 1,424,218,184,825.52
  5. Step 5: Solve for x
    x = 1,424,218,184,825.52/1,270,885.48
  6. Step 6: Final answer
    x = 1,120,650.29

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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.