Home / 1,090,716.85-1,636,157.29-291,980.71

Finding the Fourth Proportional to 1,090,716.85, 1,636,157.29 and 291,980.71

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Solution

The fourth proportional to 1,090,716.85, 1,636,157.29 and 291,980.71 is: 437,993.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,716.85 : 1,636,157.29 = 291,980.71 : x
  2. Step 2: Convert to fraction form
    1,090,716.85/1,636,157.29 = 291,980.71/x
  3. Step 3: Cross multiply
    1,090,716.85x = 1,636,157.29 × 291,980.71
  4. Step 4: Simplify right side
    1,090,716.85x = 477,726,367,205.88
  5. Step 5: Solve for x
    x = 477,726,367,205.88/1,090,716.85
  6. Step 6: Final answer
    x = 437,993.02

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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.