Home / 1,259,162.12-1,889,300.90-659,980.84

Finding the Fourth Proportional to 1,259,162.12, 1,889,300.90 and 659,980.84

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Solution

The fourth proportional to 1,259,162.12, 1,889,300.90 and 659,980.84 is: 990,263.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,162.12 : 1,889,300.90 = 659,980.84 : x
  2. Step 2: Convert to fraction form
    1,259,162.12/1,889,300.90 = 659,980.84/x
  3. Step 3: Cross multiply
    1,259,162.12x = 1,889,300.90 × 659,980.84
  4. Step 4: Simplify right side
    1,259,162.12x = 1,246,902,394,994.76
  5. Step 5: Solve for x
    x = 1,246,902,394,994.76/1,259,162.12
  6. Step 6: Final answer
    x = 990,263.58

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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.