Home / 1,299,756.72-1,949,454.72-401,228.04

Finding the Fourth Proportional to 1,299,756.72, 1,949,454.72 and 401,228.04

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Solution

The fourth proportional to 1,299,756.72, 1,949,454.72 and 401,228.04 is: 601,786.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,756.72 : 1,949,454.72 = 401,228.04 : x
  2. Step 2: Convert to fraction form
    1,299,756.72/1,949,454.72 = 401,228.04/x
  3. Step 3: Cross multiply
    1,299,756.72x = 1,949,454.72 × 401,228.04
  4. Step 4: Simplify right side
    1,299,756.72x = 782,175,896,374.35
  5. Step 5: Solve for x
    x = 782,175,896,374.35/1,299,756.72
  6. Step 6: Final answer
    x = 601,786.38

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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.