Home / 1,292,491.61-1,783,580.88-740,811.85

Finding the Fourth Proportional to 1,292,491.61, 1,783,580.88 and 740,811.85

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Solution

The fourth proportional to 1,292,491.61, 1,783,580.88 and 740,811.85 is: 1,022,287.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,491.61 : 1,783,580.88 = 740,811.85 : x
  2. Step 2: Convert to fraction form
    1,292,491.61/1,783,580.88 = 740,811.85/x
  3. Step 3: Cross multiply
    1,292,491.61x = 1,783,580.88 × 740,811.85
  4. Step 4: Simplify right side
    1,292,491.61x = 1,321,297,847,633.37
  5. Step 5: Solve for x
    x = 1,321,297,847,633.37/1,292,491.61
  6. Step 6: Final answer
    x = 1,022,287.37

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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.