Home / 1,090,227-1,635,211.68-291,570.42

Finding the Fourth Proportional to 1,090,227, 1,635,211.68 and 291,570.42

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Solution

The fourth proportional to 1,090,227, 1,635,211.68 and 291,570.42 is: 437,321.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,227 : 1,635,211.68 = 291,570.42 : x
  2. Step 2: Convert to fraction form
    1,090,227/1,635,211.68 = 291,570.42/x
  3. Step 3: Cross multiply
    1,090,227x = 1,635,211.68 × 291,570.42
  4. Step 4: Simplify right side
    1,090,227x = 476,779,356,326.51
  5. Step 5: Solve for x
    x = 476,779,356,326.51/1,090,227
  6. Step 6: Final answer
    x = 437,321.18

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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.