Home / 1,019,853.12-1,529,875.64-300,195.24

Finding the Fourth Proportional to 1,019,853.12, 1,529,875.64 and 300,195.24

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Solution

The fourth proportional to 1,019,853.12, 1,529,875.64 and 300,195.24 is: 450,321.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,853.12 : 1,529,875.64 = 300,195.24 : x
  2. Step 2: Convert to fraction form
    1,019,853.12/1,529,875.64 = 300,195.24/x
  3. Step 3: Cross multiply
    1,019,853.12x = 1,529,875.64 × 300,195.24
  4. Step 4: Simplify right side
    1,019,853.12x = 459,261,384,919.95
  5. Step 5: Solve for x
    x = 459,261,384,919.95/1,019,853.12
  6. Step 6: Final answer
    x = 450,321.11

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1.5x scale

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.