Home / 1,388,526.40-2,082,040.70-629,953.94

Finding the Fourth Proportional to 1,388,526.40, 2,082,040.70 and 629,953.94

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Solution

The fourth proportional to 1,388,526.40, 2,082,040.70 and 629,953.94 is: 944,591.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,388,526.40 : 2,082,040.70 = 629,953.94 : x
  2. Step 2: Convert to fraction form
    1,388,526.40/2,082,040.70 = 629,953.94/x
  3. Step 3: Cross multiply
    1,388,526.40x = 2,082,040.70 × 629,953.94
  4. Step 4: Simplify right side
    1,388,526.40x = 1,311,589,744,260.69
  5. Step 5: Solve for x
    x = 1,311,589,744,260.69/1,388,526.40
  6. Step 6: Final answer
    x = 944,591.15

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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.