Home / 1,199,000.12-1,799,780.48-516,225.09

Finding the Fourth Proportional to 1,199,000.12, 1,799,780.48 and 516,225.09

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Solution

The fourth proportional to 1,199,000.12, 1,799,780.48 and 516,225.09 is: 774,888.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,199,000.12 : 1,799,780.48 = 516,225.09 : x
  2. Step 2: Convert to fraction form
    1,199,000.12/1,799,780.48 = 516,225.09/x
  3. Step 3: Cross multiply
    1,199,000.12x = 1,799,780.48 × 516,225.09
  4. Step 4: Simplify right side
    1,199,000.12x = 929,091,846,372.14
  5. Step 5: Solve for x
    x = 929,091,846,372.14/1,199,000.12
  6. Step 6: Final answer
    x = 774,888.87

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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.