Home / 1,333,030.60-1,999,764.06-422,275.24

Finding the Fourth Proportional to 1,333,030.60, 1,999,764.06 and 422,275.24

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Solution

The fourth proportional to 1,333,030.60, 1,999,764.06 and 422,275.24 is: 633,481.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333,030.60 : 1,999,764.06 = 422,275.24 : x
  2. Step 2: Convert to fraction form
    1,333,030.60/1,999,764.06 = 422,275.24/x
  3. Step 3: Cross multiply
    1,333,030.60x = 1,999,764.06 × 422,275.24
  4. Step 4: Simplify right side
    1,333,030.60x = 844,450,848,379.87
  5. Step 5: Solve for x
    x = 844,450,848,379.87/1,333,030.60
  6. Step 6: Final answer
    x = 633,481.97

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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.