Home / 1,090,360.08-1,635,539.64-291,620.88

Finding the Fourth Proportional to 1,090,360.08, 1,635,539.64 and 291,620.88

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Solution

The fourth proportional to 1,090,360.08, 1,635,539.64 and 291,620.88 is: 437,431.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,360.08 : 1,635,539.64 = 291,620.88 : x
  2. Step 2: Convert to fraction form
    1,090,360.08/1,635,539.64 = 291,620.88/x
  3. Step 3: Cross multiply
    1,090,360.08x = 1,635,539.64 × 291,620.88
  4. Step 4: Simplify right side
    1,090,360.08x = 476,957,509,091.68
  5. Step 5: Solve for x
    x = 476,957,509,091.68/1,090,360.08
  6. Step 6: Final answer
    x = 437,431.19

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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.