Home / 1,039,222.10-1,559,999.55-803,609.30

Finding the Fourth Proportional to 1,039,222.10, 1,559,999.55 and 803,609.30

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Solution

The fourth proportional to 1,039,222.10, 1,559,999.55 and 803,609.30 is: 1,206,315.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,222.10 : 1,559,999.55 = 803,609.30 : x
  2. Step 2: Convert to fraction form
    1,039,222.10/1,559,999.55 = 803,609.30/x
  3. Step 3: Cross multiply
    1,039,222.10x = 1,559,999.55 × 803,609.30
  4. Step 4: Simplify right side
    1,039,222.10x = 1,253,630,146,375.82
  5. Step 5: Solve for x
    x = 1,253,630,146,375.82/1,039,222.10
  6. Step 6: Final answer
    x = 1,206,315.90

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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.