Home / 1,427,679.56-1,970,197.68-824,067.56

Finding the Fourth Proportional to 1,427,679.56, 1,970,197.68 and 824,067.56

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Solution

The fourth proportional to 1,427,679.56, 1,970,197.68 and 824,067.56 is: 1,137,213.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,679.56 : 1,970,197.68 = 824,067.56 : x
  2. Step 2: Convert to fraction form
    1,427,679.56/1,970,197.68 = 824,067.56/x
  3. Step 3: Cross multiply
    1,427,679.56x = 1,970,197.68 × 824,067.56
  4. Step 4: Simplify right side
    1,427,679.56x = 1,623,575,994,875.26
  5. Step 5: Solve for x
    x = 1,623,575,994,875.26/1,427,679.56
  6. Step 6: Final answer
    x = 1,137,213.17

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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.