Home / 1,218,374.20-1,827,734.10-376,838.20

Finding the Fourth Proportional to 1,218,374.20, 1,827,734.10 and 376,838.20

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Solution

The fourth proportional to 1,218,374.20, 1,827,734.10 and 376,838.20 is: 565,310.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,374.20 : 1,827,734.10 = 376,838.20 : x
  2. Step 2: Convert to fraction form
    1,218,374.20/1,827,734.10 = 376,838.20/x
  3. Step 3: Cross multiply
    1,218,374.20x = 1,827,734.10 × 376,838.20
  4. Step 4: Simplify right side
    1,218,374.20x = 688,760,028,322.62
  5. Step 5: Solve for x
    x = 688,760,028,322.62/1,218,374.20
  6. Step 6: Final answer
    x = 565,310.75

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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.