Home / 1,440,156.30-2,160,234.45-442,884.30

Finding the Fourth Proportional to 1,440,156.30, 2,160,234.45 and 442,884.30

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Solution

The fourth proportional to 1,440,156.30, 2,160,234.45 and 442,884.30 is: 664,326.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,440,156.30 : 2,160,234.45 = 442,884.30 : x
  2. Step 2: Convert to fraction form
    1,440,156.30/2,160,234.45 = 442,884.30/x
  3. Step 3: Cross multiply
    1,440,156.30x = 2,160,234.45 × 442,884.30
  4. Step 4: Simplify right side
    1,440,156.30x = 956,733,922,224.14
  5. Step 5: Solve for x
    x = 956,733,922,224.14/1,440,156.30
  6. Step 6: Final answer
    x = 664,326.45

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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.