Home / 1,419,374.52-1,958,668.56-807,469.80

Finding the Fourth Proportional to 1,419,374.52, 1,958,668.56 and 807,469.80

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Solution

The fourth proportional to 1,419,374.52, 1,958,668.56 and 807,469.80 is: 1,114,269.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,374.52 : 1,958,668.56 = 807,469.80 : x
  2. Step 2: Convert to fraction form
    1,419,374.52/1,958,668.56 = 807,469.80/x
  3. Step 3: Cross multiply
    1,419,374.52x = 1,958,668.56 × 807,469.80
  4. Step 4: Simplify right side
    1,419,374.52x = 1,581,565,710,409.49
  5. Step 5: Solve for x
    x = 1,581,565,710,409.49/1,419,374.52
  6. Step 6: Final answer
    x = 1,114,269.48

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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.