Home / 1,608,289.60-2,412,434.40-426,337.60

Finding the Fourth Proportional to 1,608,289.60, 2,412,434.40 and 426,337.60

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Solution

The fourth proportional to 1,608,289.60, 2,412,434.40 and 426,337.60 is: 639,506.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,608,289.60 : 2,412,434.40 = 426,337.60 : x
  2. Step 2: Convert to fraction form
    1,608,289.60/2,412,434.40 = 426,337.60/x
  3. Step 3: Cross multiply
    1,608,289.60x = 2,412,434.40 × 426,337.60
  4. Step 4: Simplify right side
    1,608,289.60x = 1,028,511,492,253.44
  5. Step 5: Solve for x
    x = 1,028,511,492,253.44/1,608,289.60
  6. Step 6: Final answer
    x = 639,506.40

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Double scale
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Similar ratio
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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.