Home / 1,388,531.15-2,082,047.82-629,958.72

Finding the Fourth Proportional to 1,388,531.15, 2,082,047.82 and 629,958.72

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Solution

The fourth proportional to 1,388,531.15, 2,082,047.82 and 629,958.72 is: 944,598.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,388,531.15 : 2,082,047.82 = 629,958.72 : x
  2. Step 2: Convert to fraction form
    1,388,531.15/2,082,047.82 = 629,958.72/x
  3. Step 3: Cross multiply
    1,388,531.15x = 2,082,047.82 × 629,958.72
  4. Step 4: Simplify right side
    1,388,531.15x = 1,311,604,173,399.81
  5. Step 5: Solve for x
    x = 1,311,604,173,399.81/1,388,531.15
  6. Step 6: Final answer
    x = 944,598.30

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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.