Home / 1,326,503.24-1,830,054.82-816,319.88

Finding the Fourth Proportional to 1,326,503.24, 1,830,054.82 and 816,319.88

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Solution

The fourth proportional to 1,326,503.24, 1,830,054.82 and 816,319.88 is: 1,126,201.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326,503.24 : 1,830,054.82 = 816,319.88 : x
  2. Step 2: Convert to fraction form
    1,326,503.24/1,830,054.82 = 816,319.88/x
  3. Step 3: Cross multiply
    1,326,503.24x = 1,830,054.82 × 816,319.88
  4. Step 4: Simplify right side
    1,326,503.24x = 1,493,910,131,055.82
  5. Step 5: Solve for x
    x = 1,493,910,131,055.82/1,326,503.24
  6. Step 6: Final answer
    x = 1,126,201.65

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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.