Home / 1,367,997.90-1,887,577.23-858,470.64

Finding the Fourth Proportional to 1,367,997.90, 1,887,577.23 and 858,470.64

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Solution

The fourth proportional to 1,367,997.90, 1,887,577.23 and 858,470.64 is: 1,184,526.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,367,997.90 : 1,887,577.23 = 858,470.64 : x
  2. Step 2: Convert to fraction form
    1,367,997.90/1,887,577.23 = 858,470.64/x
  3. Step 3: Cross multiply
    1,367,997.90x = 1,887,577.23 × 858,470.64
  4. Step 4: Simplify right side
    1,367,997.90x = 1,620,429,632,687.53
  5. Step 5: Solve for x
    x = 1,620,429,632,687.53/1,367,997.90
  6. Step 6: Final answer
    x = 1,184,526.40

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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.