Home / 1,090,454.64-1,504,721.88-804,128.88

Finding the Fourth Proportional to 1,090,454.64, 1,504,721.88 and 804,128.88

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Solution

The fourth proportional to 1,090,454.64, 1,504,721.88 and 804,128.88 is: 1,109,620.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,454.64 : 1,504,721.88 = 804,128.88 : x
  2. Step 2: Convert to fraction form
    1,090,454.64/1,504,721.88 = 804,128.88/x
  3. Step 3: Cross multiply
    1,090,454.64x = 1,504,721.88 × 804,128.88
  4. Step 4: Simplify right side
    1,090,454.64x = 1,209,990,320,075.89
  5. Step 5: Solve for x
    x = 1,209,990,320,075.89/1,090,454.64
  6. Step 6: Final answer
    x = 1,109,620.04

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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.