Home / 1,075,478.04-1,613,217.30-443,697.72

Finding the Fourth Proportional to 1,075,478.04, 1,613,217.30 and 443,697.72

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Solution

The fourth proportional to 1,075,478.04, 1,613,217.30 and 443,697.72 is: 665,546.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,075,478.04 : 1,613,217.30 = 443,697.72 : x
  2. Step 2: Convert to fraction form
    1,075,478.04/1,613,217.30 = 443,697.72/x
  3. Step 3: Cross multiply
    1,075,478.04x = 1,613,217.30 × 443,697.72
  4. Step 4: Simplify right side
    1,075,478.04x = 715,780,837,874.56
  5. Step 5: Solve for x
    x = 715,780,837,874.56/1,075,478.04
  6. Step 6: Final answer
    x = 665,546.68

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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.