Home / 1,020,396.97-1,530,066-300,645.24

Finding the Fourth Proportional to 1,020,396.97, 1,530,066 and 300,645.24

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Solution

The fourth proportional to 1,020,396.97, 1,530,066 and 300,645.24 is: 450,811.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,396.97 : 1,530,066 = 300,645.24 : x
  2. Step 2: Convert to fraction form
    1,020,396.97/1,530,066 = 300,645.24/x
  3. Step 3: Cross multiply
    1,020,396.97x = 1,530,066 × 300,645.24
  4. Step 4: Simplify right side
    1,020,396.97x = 460,007,059,785.84
  5. Step 5: Solve for x
    x = 460,007,059,785.84/1,020,396.97
  6. Step 6: Final answer
    x = 450,811.86

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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.