Home / 1,292,296.43-1,783,338.77-719,324.30

Finding the Fourth Proportional to 1,292,296.43, 1,783,338.77 and 719,324.30

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Solution

The fourth proportional to 1,292,296.43, 1,783,338.77 and 719,324.30 is: 992,650.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,296.43 : 1,783,338.77 = 719,324.30 : x
  2. Step 2: Convert to fraction form
    1,292,296.43/1,783,338.77 = 719,324.30/x
  3. Step 3: Cross multiply
    1,292,296.43x = 1,783,338.77 × 719,324.30
  4. Step 4: Simplify right side
    1,292,296.43x = 1,282,798,899,879.80
  5. Step 5: Solve for x
    x = 1,282,798,899,879.80/1,292,296.43
  6. Step 6: Final answer
    x = 992,650.66

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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.