Home / 1,308,922.83-1,804,824.23-921,614.44

Finding the Fourth Proportional to 1,308,922.83, 1,804,824.23 and 921,614.44

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Solution

The fourth proportional to 1,308,922.83, 1,804,824.23 and 921,614.44 is: 1,270,779.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,308,922.83 : 1,804,824.23 = 921,614.44 : x
  2. Step 2: Convert to fraction form
    1,308,922.83/1,804,824.23 = 921,614.44/x
  3. Step 3: Cross multiply
    1,308,922.83x = 1,804,824.23 × 921,614.44
  4. Step 4: Simplify right side
    1,308,922.83x = 1,663,352,076,175.90
  5. Step 5: Solve for x
    x = 1,663,352,076,175.90/1,308,922.83
  6. Step 6: Final answer
    x = 1,270,779.33

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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.