Home / 906,131.21-1,250,357.51-724,777.07

Finding the Fourth Proportional to 906,131.21, 1,250,357.51 and 724,777.07

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Solution

The fourth proportional to 906,131.21, 1,250,357.51 and 724,777.07 is: 1,000,109.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,131.21 : 1,250,357.51 = 724,777.07 : x
  2. Step 2: Convert to fraction form
    906,131.21/1,250,357.51 = 724,777.07/x
  3. Step 3: Cross multiply
    906,131.21x = 1,250,357.51 × 724,777.07
  4. Step 4: Simplify right side
    906,131.21x = 906,230,448,110.45
  5. Step 5: Solve for x
    x = 906,230,448,110.45/906,131.21
  6. Step 6: Final answer
    x = 1,000,109.52

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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.