Home / 1,102,086.40-1,653,129.60-303,491.20

Finding the Fourth Proportional to 1,102,086.40, 1,653,129.60 and 303,491.20

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Solution

The fourth proportional to 1,102,086.40, 1,653,129.60 and 303,491.20 is: 455,236.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102,086.40 : 1,653,129.60 = 303,491.20 : x
  2. Step 2: Convert to fraction form
    1,102,086.40/1,653,129.60 = 303,491.20/x
  3. Step 3: Cross multiply
    1,102,086.40x = 1,653,129.60 × 303,491.20
  4. Step 4: Simplify right side
    1,102,086.40x = 501,710,286,059.52
  5. Step 5: Solve for x
    x = 501,710,286,059.52/1,102,086.40
  6. Step 6: Final answer
    x = 455,236.80

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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.