Home / 1,018,629.20-1,526,827.80-512,382.80

Finding the Fourth Proportional to 1,018,629.20, 1,526,827.80 and 512,382.80

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Solution

The fourth proportional to 1,018,629.20, 1,526,827.80 and 512,382.80 is: 768,012.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,629.20 : 1,526,827.80 = 512,382.80 : x
  2. Step 2: Convert to fraction form
    1,018,629.20/1,526,827.80 = 512,382.80/x
  3. Step 3: Cross multiply
    1,018,629.20x = 1,526,827.80 × 512,382.80
  4. Step 4: Simplify right side
    1,018,629.20x = 782,320,303,281.84
  5. Step 5: Solve for x
    x = 782,320,303,281.84/1,018,629.20
  6. Step 6: Final answer
    x = 768,012.84

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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.