Home / 1,090,286.84-1,635,315.22-291,649

Finding the Fourth Proportional to 1,090,286.84, 1,635,315.22 and 291,649

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Solution

The fourth proportional to 1,090,286.84, 1,635,315.22 and 291,649 is: 437,442.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,286.84 : 1,635,315.22 = 291,649 : x
  2. Step 2: Convert to fraction form
    1,090,286.84/1,635,315.22 = 291,649/x
  3. Step 3: Cross multiply
    1,090,286.84x = 1,635,315.22 × 291,649
  4. Step 4: Simplify right side
    1,090,286.84x = 476,938,048,597.78
  5. Step 5: Solve for x
    x = 476,938,048,597.78/1,090,286.84
  6. Step 6: Final answer
    x = 437,442.73

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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.