Home / 1,246,296.20-1,865,507.70-978,607.40

Finding the Fourth Proportional to 1,246,296.20, 1,865,507.70 and 978,607.40

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Solution

The fourth proportional to 1,246,296.20, 1,865,507.70 and 978,607.40 is: 1,464,820.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,246,296.20 : 1,865,507.70 = 978,607.40 : x
  2. Step 2: Convert to fraction form
    1,246,296.20/1,865,507.70 = 978,607.40/x
  3. Step 3: Cross multiply
    1,246,296.20x = 1,865,507.70 × 978,607.40
  4. Step 4: Simplify right side
    1,246,296.20x = 1,825,599,639,976.98
  5. Step 5: Solve for x
    x = 1,825,599,639,976.98/1,246,296.20
  6. Step 6: Final answer
    x = 1,464,820.03

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.