Home / 1,142,393.42-1,713,591.96-289,465.25

Finding the Fourth Proportional to 1,142,393.42, 1,713,591.96 and 289,465.25

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Solution

The fourth proportional to 1,142,393.42, 1,713,591.96 and 289,465.25 is: 434,198.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,393.42 : 1,713,591.96 = 289,465.25 : x
  2. Step 2: Convert to fraction form
    1,142,393.42/1,713,591.96 = 289,465.25/x
  3. Step 3: Cross multiply
    1,142,393.42x = 1,713,591.96 × 289,465.25
  4. Step 4: Simplify right side
    1,142,393.42x = 496,025,315,445.94
  5. Step 5: Solve for x
    x = 496,025,315,445.94/1,142,393.42
  6. Step 6: Final answer
    x = 434,198.33

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Double scale
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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.