Home / 1,012,863.80-1,519,295.70-264,909.80

Finding the Fourth Proportional to 1,012,863.80, 1,519,295.70 and 264,909.80

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Solution

The fourth proportional to 1,012,863.80, 1,519,295.70 and 264,909.80 is: 397,364.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,863.80 : 1,519,295.70 = 264,909.80 : x
  2. Step 2: Convert to fraction form
    1,012,863.80/1,519,295.70 = 264,909.80/x
  3. Step 3: Cross multiply
    1,012,863.80x = 1,519,295.70 × 264,909.80
  4. Step 4: Simplify right side
    1,012,863.80x = 402,476,320,027.86
  5. Step 5: Solve for x
    x = 402,476,320,027.86/1,012,863.80
  6. Step 6: Final answer
    x = 397,364.70

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Similar ratio
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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.