Home / 1,339,108.72-2,008,795.38-440,185.84

Finding the Fourth Proportional to 1,339,108.72, 2,008,795.38 and 440,185.84

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Solution

The fourth proportional to 1,339,108.72, 2,008,795.38 and 440,185.84 is: 660,322.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,339,108.72 : 2,008,795.38 = 440,185.84 : x
  2. Step 2: Convert to fraction form
    1,339,108.72/2,008,795.38 = 440,185.84/x
  3. Step 3: Cross multiply
    1,339,108.72x = 2,008,795.38 × 440,185.84
  4. Step 4: Simplify right side
    1,339,108.72x = 884,243,281,733.42
  5. Step 5: Solve for x
    x = 884,243,281,733.42/1,339,108.72
  6. Step 6: Final answer
    x = 660,322.25

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Double scale
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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.