Home / 1,379,470.72-1,903,651.26-775,858.72

Finding the Fourth Proportional to 1,379,470.72, 1,903,651.26 and 775,858.72

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Solution

The fourth proportional to 1,379,470.72, 1,903,651.26 and 775,858.72 is: 1,070,674.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,470.72 : 1,903,651.26 = 775,858.72 : x
  2. Step 2: Convert to fraction form
    1,379,470.72/1,903,651.26 = 775,858.72/x
  3. Step 3: Cross multiply
    1,379,470.72x = 1,903,651.26 × 775,858.72
  4. Step 4: Simplify right side
    1,379,470.72x = 1,476,964,429,909.99
  5. Step 5: Solve for x
    x = 1,476,964,429,909.99/1,379,470.72
  6. Step 6: Final answer
    x = 1,070,674.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.