Home / 1,292,221.42-1,783,265.64-719,249.29

Finding the Fourth Proportional to 1,292,221.42, 1,783,265.64 and 719,249.29

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Solution

The fourth proportional to 1,292,221.42, 1,783,265.64 and 719,249.29 is: 992,564.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,221.42 : 1,783,265.64 = 719,249.29 : x
  2. Step 2: Convert to fraction form
    1,292,221.42/1,783,265.64 = 719,249.29/x
  3. Step 3: Cross multiply
    1,292,221.42x = 1,783,265.64 × 719,249.29
  4. Step 4: Simplify right side
    1,292,221.42x = 1,282,612,545,451.40
  5. Step 5: Solve for x
    x = 1,282,612,545,451.40/1,292,221.42
  6. Step 6: Final answer
    x = 992,564.06

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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.