Home / 1,305,114.90-1,801,830.72-822,094.08

Finding the Fourth Proportional to 1,305,114.90, 1,801,830.72 and 822,094.08

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Solution

The fourth proportional to 1,305,114.90, 1,801,830.72 and 822,094.08 is: 1,134,976.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,305,114.90 : 1,801,830.72 = 822,094.08 : x
  2. Step 2: Convert to fraction form
    1,305,114.90/1,801,830.72 = 822,094.08/x
  3. Step 3: Cross multiply
    1,305,114.90x = 1,801,830.72 × 822,094.08
  4. Step 4: Simplify right side
    1,305,114.90x = 1,481,274,368,074.14
  5. Step 5: Solve for x
    x = 1,481,274,368,074.14/1,305,114.90
  6. Step 6: Final answer
    x = 1,134,976.21

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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.