Home / 1,040,135.70-1,560,203.55-507,998.10

Finding the Fourth Proportional to 1,040,135.70, 1,560,203.55 and 507,998.10

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Solution

The fourth proportional to 1,040,135.70, 1,560,203.55 and 507,998.10 is: 761,997.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,135.70 : 1,560,203.55 = 507,998.10 : x
  2. Step 2: Convert to fraction form
    1,040,135.70/1,560,203.55 = 507,998.10/x
  3. Step 3: Cross multiply
    1,040,135.70x = 1,560,203.55 × 507,998.10
  4. Step 4: Simplify right side
    1,040,135.70x = 792,580,439,013.26
  5. Step 5: Solve for x
    x = 792,580,439,013.26/1,040,135.70
  6. Step 6: Final answer
    x = 761,997.15

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Half scale
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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.