Home / 1,815,279.31-2,505,064.80-999,466.35

Finding the Fourth Proportional to 1,815,279.31, 2,505,064.80 and 999,466.35

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Solution

The fourth proportional to 1,815,279.31, 2,505,064.80 and 999,466.35 is: 1,379,252.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,815,279.31 : 2,505,064.80 = 999,466.35 : x
  2. Step 2: Convert to fraction form
    1,815,279.31/2,505,064.80 = 999,466.35/x
  3. Step 3: Cross multiply
    1,815,279.31x = 2,505,064.80 × 999,466.35
  4. Step 4: Simplify right side
    1,815,279.31x = 2,503,727,972,169.48
  5. Step 5: Solve for x
    x = 2,503,727,972,169.48/1,815,279.31
  6. Step 6: Final answer
    x = 1,379,252.19

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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.