Home / 1,383,116.07-2,074,674.15-372,240.30

Finding the Fourth Proportional to 1,383,116.07, 2,074,674.15 and 372,240.30

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Solution

The fourth proportional to 1,383,116.07, 2,074,674.15 and 372,240.30 is: 558,360.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,383,116.07 : 2,074,674.15 = 372,240.30 : x
  2. Step 2: Convert to fraction form
    1,383,116.07/2,074,674.15 = 372,240.30/x
  3. Step 3: Cross multiply
    1,383,116.07x = 2,074,674.15 × 372,240.30
  4. Step 4: Simplify right side
    1,383,116.07x = 772,277,327,998.25
  5. Step 5: Solve for x
    x = 772,277,327,998.25/1,383,116.07
  6. Step 6: Final answer
    x = 558,360.46

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Double scale
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Similar ratio
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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.