Home / 1,440,296.40-2,160,444.60-493,676.40

Finding the Fourth Proportional to 1,440,296.40, 2,160,444.60 and 493,676.40

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Solution

The fourth proportional to 1,440,296.40, 2,160,444.60 and 493,676.40 is: 740,514.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,440,296.40 : 2,160,444.60 = 493,676.40 : x
  2. Step 2: Convert to fraction form
    1,440,296.40/2,160,444.60 = 493,676.40/x
  3. Step 3: Cross multiply
    1,440,296.40x = 2,160,444.60 × 493,676.40
  4. Step 4: Simplify right side
    1,440,296.40x = 1,066,560,512,527.44
  5. Step 5: Solve for x
    x = 1,066,560,512,527.44/1,440,296.40
  6. Step 6: Final answer
    x = 740,514.60

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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.