Home / 1,274,463.83-1,911,734.09-314,919.38

Finding the Fourth Proportional to 1,274,463.83, 1,911,734.09 and 314,919.38

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Solution

The fourth proportional to 1,274,463.83, 1,911,734.09 and 314,919.38 is: 472,388.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,274,463.83 : 1,911,734.09 = 314,919.38 : x
  2. Step 2: Convert to fraction form
    1,274,463.83/1,911,734.09 = 314,919.38/x
  3. Step 3: Cross multiply
    1,274,463.83x = 1,911,734.09 × 314,919.38
  4. Step 4: Simplify right side
    1,274,463.83x = 602,042,114,347.66
  5. Step 5: Solve for x
    x = 602,042,114,347.66/1,274,463.83
  6. Step 6: Final answer
    x = 472,388.55

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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.