Home / 1,118,334.80-1,677,502.20-276,886.56

Finding the Fourth Proportional to 1,118,334.80, 1,677,502.20 and 276,886.56

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Solution

The fourth proportional to 1,118,334.80, 1,677,502.20 and 276,886.56 is: 415,329.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,334.80 : 1,677,502.20 = 276,886.56 : x
  2. Step 2: Convert to fraction form
    1,118,334.80/1,677,502.20 = 276,886.56/x
  3. Step 3: Cross multiply
    1,118,334.80x = 1,677,502.20 × 276,886.56
  4. Step 4: Simplify right side
    1,118,334.80x = 464,477,813,550.43
  5. Step 5: Solve for x
    x = 464,477,813,550.43/1,118,334.80
  6. Step 6: Final answer
    x = 415,329.84

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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.