Home / 1,246,311.54-1,869,782.22-347,752.68

Finding the Fourth Proportional to 1,246,311.54, 1,869,782.22 and 347,752.68

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Solution

The fourth proportional to 1,246,311.54, 1,869,782.22 and 347,752.68 is: 521,716.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,246,311.54 : 1,869,782.22 = 347,752.68 : x
  2. Step 2: Convert to fraction form
    1,246,311.54/1,869,782.22 = 347,752.68/x
  3. Step 3: Cross multiply
    1,246,311.54x = 1,869,782.22 × 347,752.68
  4. Step 4: Simplify right side
    1,246,311.54x = 650,221,778,021.35
  5. Step 5: Solve for x
    x = 650,221,778,021.35/1,246,311.54
  6. Step 6: Final answer
    x = 521,716.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.