Home / 1,200,813.50-1,801,190.30-561,832.19

Finding the Fourth Proportional to 1,200,813.50, 1,801,190.30 and 561,832.19

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Solution

The fourth proportional to 1,200,813.50, 1,801,190.30 and 561,832.19 is: 842,734.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,813.50 : 1,801,190.30 = 561,832.19 : x
  2. Step 2: Convert to fraction form
    1,200,813.50/1,801,190.30 = 561,832.19/x
  3. Step 3: Cross multiply
    1,200,813.50x = 1,801,190.30 × 561,832.19
  4. Step 4: Simplify right side
    1,200,813.50x = 1,011,966,683,254.39
  5. Step 5: Solve for x
    x = 1,011,966,683,254.39/1,200,813.50
  6. Step 6: Final answer
    x = 842,734.26

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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.