Home / 2,725,209.80-4,087,814.70-831,705.20

Finding the Fourth Proportional to 2,725,209.80, 4,087,814.70 and 831,705.20

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Solution

The fourth proportional to 2,725,209.80, 4,087,814.70 and 831,705.20 is: 1,247,557.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,725,209.80 : 4,087,814.70 = 831,705.20 : x
  2. Step 2: Convert to fraction form
    2,725,209.80/4,087,814.70 = 831,705.20/x
  3. Step 3: Cross multiply
    2,725,209.80x = 4,087,814.70 × 831,705.20
  4. Step 4: Simplify right side
    2,725,209.80x = 3,399,856,742,626.44
  5. Step 5: Solve for x
    x = 3,399,856,742,626.44/2,725,209.80
  6. Step 6: Final answer
    x = 1,247,557.80

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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.