Home / 1,259,470.80-1,889,474.57-406,590.92

Finding the Fourth Proportional to 1,259,470.80, 1,889,474.57 and 406,590.92

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Solution

The fourth proportional to 1,259,470.80, 1,889,474.57 and 406,590.92 is: 609,973.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,470.80 : 1,889,474.57 = 406,590.92 : x
  2. Step 2: Convert to fraction form
    1,259,470.80/1,889,474.57 = 406,590.92/x
  3. Step 3: Cross multiply
    1,259,470.80x = 1,889,474.57 × 406,590.92
  4. Step 4: Simplify right side
    1,259,470.80x = 768,243,203,732.90
  5. Step 5: Solve for x
    x = 768,243,203,732.90/1,259,470.80
  6. Step 6: Final answer
    x = 609,973.02

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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.