Home / 1,218,028-1,827,216.24-376,644.64

Finding the Fourth Proportional to 1,218,028, 1,827,216.24 and 376,644.64

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Solution

The fourth proportional to 1,218,028, 1,827,216.24 and 376,644.64 is: 565,020.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,028 : 1,827,216.24 = 376,644.64 : x
  2. Step 2: Convert to fraction form
    1,218,028/1,827,216.24 = 376,644.64/x
  3. Step 3: Cross multiply
    1,218,028x = 1,827,216.24 × 376,644.64
  4. Step 4: Simplify right side
    1,218,028x = 688,211,202,916.95
  5. Step 5: Solve for x
    x = 688,211,202,916.95/1,218,028
  6. Step 6: Final answer
    x = 565,020.84

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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.