Home / 1,088,027.80-1,632,041.70-422,747.80

Finding the Fourth Proportional to 1,088,027.80, 1,632,041.70 and 422,747.80

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Solution

The fourth proportional to 1,088,027.80, 1,632,041.70 and 422,747.80 is: 634,121.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,088,027.80 : 1,632,041.70 = 422,747.80 : x
  2. Step 2: Convert to fraction form
    1,088,027.80/1,632,041.70 = 422,747.80/x
  3. Step 3: Cross multiply
    1,088,027.80x = 1,632,041.70 × 422,747.80
  4. Step 4: Simplify right side
    1,088,027.80x = 689,942,038,183.26
  5. Step 5: Solve for x
    x = 689,942,038,183.26/1,088,027.80
  6. Step 6: Final answer
    x = 634,121.70

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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.