Home / 1,129,331.80-1,693,638.06-370,997.25

Finding the Fourth Proportional to 1,129,331.80, 1,693,638.06 and 370,997.25

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Solution

The fourth proportional to 1,129,331.80, 1,693,638.06 and 370,997.25 is: 556,377.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,331.80 : 1,693,638.06 = 370,997.25 : x
  2. Step 2: Convert to fraction form
    1,129,331.80/1,693,638.06 = 370,997.25/x
  3. Step 3: Cross multiply
    1,129,331.80x = 1,693,638.06 × 370,997.25
  4. Step 4: Simplify right side
    1,129,331.80x = 628,335,062,755.34
  5. Step 5: Solve for x
    x = 628,335,062,755.34/1,129,331.80
  6. Step 6: Final answer
    x = 556,377.73

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Double scale
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1.5x scale

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.