Home / 1,330,230.60-1,995,345.90-768,976.20

Finding the Fourth Proportional to 1,330,230.60, 1,995,345.90 and 768,976.20

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Solution

The fourth proportional to 1,330,230.60, 1,995,345.90 and 768,976.20 is: 1,153,464.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,230.60 : 1,995,345.90 = 768,976.20 : x
  2. Step 2: Convert to fraction form
    1,330,230.60/1,995,345.90 = 768,976.20/x
  3. Step 3: Cross multiply
    1,330,230.60x = 1,995,345.90 × 768,976.20
  4. Step 4: Simplify right side
    1,330,230.60x = 1,534,373,507,867.58
  5. Step 5: Solve for x
    x = 1,534,373,507,867.58/1,330,230.60
  6. Step 6: Final answer
    x = 1,153,464.30

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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.