Home / 1,230,033.76-1,845,871.44-431,314.72

Finding the Fourth Proportional to 1,230,033.76, 1,845,871.44 and 431,314.72

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Solution

The fourth proportional to 1,230,033.76, 1,845,871.44 and 431,314.72 is: 647,259.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,033.76 : 1,845,871.44 = 431,314.72 : x
  2. Step 2: Convert to fraction form
    1,230,033.76/1,845,871.44 = 431,314.72/x
  3. Step 3: Cross multiply
    1,230,033.76x = 1,845,871.44 × 431,314.72
  4. Step 4: Simplify right side
    1,230,033.76x = 796,151,523,299.60
  5. Step 5: Solve for x
    x = 796,151,523,299.60/1,230,033.76
  6. Step 6: Final answer
    x = 647,259.90

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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.