Home / 1,214,264.40-1,821,396.60-978,068.40

Finding the Fourth Proportional to 1,214,264.40, 1,821,396.60 and 978,068.40

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Solution

The fourth proportional to 1,214,264.40, 1,821,396.60 and 978,068.40 is: 1,467,102.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,264.40 : 1,821,396.60 = 978,068.40 : x
  2. Step 2: Convert to fraction form
    1,214,264.40/1,821,396.60 = 978,068.40/x
  3. Step 3: Cross multiply
    1,214,264.40x = 1,821,396.60 × 978,068.40
  4. Step 4: Simplify right side
    1,214,264.40x = 1,781,450,458,327.44
  5. Step 5: Solve for x
    x = 1,781,450,458,327.44/1,214,264.40
  6. Step 6: Final answer
    x = 1,467,102.60

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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.