Home / 1,250,380.80-1,725,430.08-760,282.20

Finding the Fourth Proportional to 1,250,380.80, 1,725,430.08 and 760,282.20

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Solution

The fourth proportional to 1,250,380.80, 1,725,430.08 and 760,282.20 is: 1,049,131.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,250,380.80 : 1,725,430.08 = 760,282.20 : x
  2. Step 2: Convert to fraction form
    1,250,380.80/1,725,430.08 = 760,282.20/x
  3. Step 3: Cross multiply
    1,250,380.80x = 1,725,430.08 × 760,282.20
  4. Step 4: Simplify right side
    1,250,380.80x = 1,311,813,777,168.58
  5. Step 5: Solve for x
    x = 1,311,813,777,168.58/1,250,380.80
  6. Step 6: Final answer
    x = 1,049,131.41

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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.