Home / 1,314,491.49-1,814,003.72-710,879.49

Finding the Fourth Proportional to 1,314,491.49, 1,814,003.72 and 710,879.49

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Solution

The fourth proportional to 1,314,491.49, 1,814,003.72 and 710,879.49 is: 981,016.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,491.49 : 1,814,003.72 = 710,879.49 : x
  2. Step 2: Convert to fraction form
    1,314,491.49/1,814,003.72 = 710,879.49/x
  3. Step 3: Cross multiply
    1,314,491.49x = 1,814,003.72 × 710,879.49
  4. Step 4: Simplify right side
    1,314,491.49x = 1,289,538,035,777.31
  5. Step 5: Solve for x
    x = 1,289,538,035,777.31/1,314,491.49
  6. Step 6: Final answer
    x = 981,016.65

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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.