Home / 883,993.20-1,322,490.60-766,964.40

Finding the Fourth Proportional to 883,993.20, 1,322,490.60 and 766,964.40

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Solution

The fourth proportional to 883,993.20, 1,322,490.60 and 766,964.40 is: 1,147,410.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,993.20 : 1,322,490.60 = 766,964.40 : x
  2. Step 2: Convert to fraction form
    883,993.20/1,322,490.60 = 766,964.40/x
  3. Step 3: Cross multiply
    883,993.20x = 1,322,490.60 × 766,964.40
  4. Step 4: Simplify right side
    883,993.20x = 1,014,303,209,534.64
  5. Step 5: Solve for x
    x = 1,014,303,209,534.64/883,993.20
  6. Step 6: Final answer
    x = 1,147,410.65

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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.