Home / 1,339,682.40-2,009,523.60-453,218.40

Finding the Fourth Proportional to 1,339,682.40, 2,009,523.60 and 453,218.40

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Solution

The fourth proportional to 1,339,682.40, 2,009,523.60 and 453,218.40 is: 679,827.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,339,682.40 : 2,009,523.60 = 453,218.40 : x
  2. Step 2: Convert to fraction form
    1,339,682.40/2,009,523.60 = 453,218.40/x
  3. Step 3: Cross multiply
    1,339,682.40x = 2,009,523.60 × 453,218.40
  4. Step 4: Simplify right side
    1,339,682.40x = 910,753,070,754.24
  5. Step 5: Solve for x
    x = 910,753,070,754.24/1,339,682.40
  6. Step 6: Final answer
    x = 679,827.60

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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.