Home / 1,275,445.87-1,913,278.97-328,808.59

Finding the Fourth Proportional to 1,275,445.87, 1,913,278.97 and 328,808.59

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Solution

The fourth proportional to 1,275,445.87, 1,913,278.97 and 328,808.59 is: 493,241.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,445.87 : 1,913,278.97 = 328,808.59 : x
  2. Step 2: Convert to fraction form
    1,275,445.87/1,913,278.97 = 328,808.59/x
  3. Step 3: Cross multiply
    1,275,445.87x = 1,913,278.97 × 328,808.59
  4. Step 4: Simplify right side
    1,275,445.87x = 629,102,558,758.31
  5. Step 5: Solve for x
    x = 629,102,558,758.31/1,275,445.87
  6. Step 6: Final answer
    x = 493,241.28

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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.