Home / 1,163,295.20-1,744,942.80-978,053.60

Finding the Fourth Proportional to 1,163,295.20, 1,744,942.80 and 978,053.60

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Solution

The fourth proportional to 1,163,295.20, 1,744,942.80 and 978,053.60 is: 1,467,080.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,163,295.20 : 1,744,942.80 = 978,053.60 : x
  2. Step 2: Convert to fraction form
    1,163,295.20/1,744,942.80 = 978,053.60/x
  3. Step 3: Cross multiply
    1,163,295.20x = 1,744,942.80 × 978,053.60
  4. Step 4: Simplify right side
    1,163,295.20x = 1,706,647,587,334.08
  5. Step 5: Solve for x
    x = 1,706,647,587,334.08/1,163,295.20
  6. Step 6: Final answer
    x = 1,467,080.40

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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.