Home / 1,330,287.20-1,994,847.60-531,303.20

Finding the Fourth Proportional to 1,330,287.20, 1,994,847.60 and 531,303.20

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Solution

The fourth proportional to 1,330,287.20, 1,994,847.60 and 531,303.20 is: 796,721.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,287.20 : 1,994,847.60 = 531,303.20 : x
  2. Step 2: Convert to fraction form
    1,330,287.20/1,994,847.60 = 531,303.20/x
  3. Step 3: Cross multiply
    1,330,287.20x = 1,994,847.60 × 531,303.20
  4. Step 4: Simplify right side
    1,330,287.20x = 1,059,868,913,392.32
  5. Step 5: Solve for x
    x = 1,059,868,913,392.32/1,330,287.20
  6. Step 6: Final answer
    x = 796,721.88

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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.