Home / 1,040,459.80-1,560,981.30-507,998.20

Finding the Fourth Proportional to 1,040,459.80, 1,560,981.30 and 507,998.20

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Solution

The fourth proportional to 1,040,459.80, 1,560,981.30 and 507,998.20 is: 762,139.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,459.80 : 1,560,981.30 = 507,998.20 : x
  2. Step 2: Convert to fraction form
    1,040,459.80/1,560,981.30 = 507,998.20/x
  3. Step 3: Cross multiply
    1,040,459.80x = 1,560,981.30 × 507,998.20
  4. Step 4: Simplify right side
    1,040,459.80x = 792,975,690,633.66
  5. Step 5: Solve for x
    x = 792,975,690,633.66/1,040,459.80
  6. Step 6: Final answer
    x = 762,139.67

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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.