Home / 1,753,676.40-2,630,514.60-423,980.40

Finding the Fourth Proportional to 1,753,676.40, 2,630,514.60 and 423,980.40

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Solution

The fourth proportional to 1,753,676.40, 2,630,514.60 and 423,980.40 is: 635,970.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,753,676.40 : 2,630,514.60 = 423,980.40 : x
  2. Step 2: Convert to fraction form
    1,753,676.40/2,630,514.60 = 423,980.40/x
  3. Step 3: Cross multiply
    1,753,676.40x = 2,630,514.60 × 423,980.40
  4. Step 4: Simplify right side
    1,753,676.40x = 1,115,286,632,313.84
  5. Step 5: Solve for x
    x = 1,115,286,632,313.84/1,753,676.40
  6. Step 6: Final answer
    x = 635,970.60

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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.