Home / 1,326,515.24-1,830,071.40-816,331.88

Finding the Fourth Proportional to 1,326,515.24, 1,830,071.40 and 816,331.88

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Solution

The fourth proportional to 1,326,515.24, 1,830,071.40 and 816,331.88 is: 1,126,218.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326,515.24 : 1,830,071.40 = 816,331.88 : x
  2. Step 2: Convert to fraction form
    1,326,515.24/1,830,071.40 = 816,331.88/x
  3. Step 3: Cross multiply
    1,326,515.24x = 1,830,071.40 × 816,331.88
  4. Step 4: Simplify right side
    1,326,515.24x = 1,493,945,626,496.23
  5. Step 5: Solve for x
    x = 1,493,945,626,496.23/1,326,515.24
  6. Step 6: Final answer
    x = 1,126,218.22

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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.