Home / 1,237,172.80-1,708,120.80-950,180

Finding the Fourth Proportional to 1,237,172.80, 1,708,120.80 and 950,180

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Solution

The fourth proportional to 1,237,172.80, 1,708,120.80 and 950,180 is: 1,311,879.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,237,172.80 : 1,708,120.80 = 950,180 : x
  2. Step 2: Convert to fraction form
    1,237,172.80/1,708,120.80 = 950,180/x
  3. Step 3: Cross multiply
    1,237,172.80x = 1,708,120.80 × 950,180
  4. Step 4: Simplify right side
    1,237,172.80x = 1,623,022,221,744
  5. Step 5: Solve for x
    x = 1,623,022,221,744/1,237,172.80
  6. Step 6: Final answer
    x = 1,311,879.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.