Home / 1,440,168.30-2,160,252.45-442,896.30

Finding the Fourth Proportional to 1,440,168.30, 2,160,252.45 and 442,896.30

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Solution

The fourth proportional to 1,440,168.30, 2,160,252.45 and 442,896.30 is: 664,344.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,440,168.30 : 2,160,252.45 = 442,896.30 : x
  2. Step 2: Convert to fraction form
    1,440,168.30/2,160,252.45 = 442,896.30/x
  3. Step 3: Cross multiply
    1,440,168.30x = 2,160,252.45 × 442,896.30
  4. Step 4: Simplify right side
    1,440,168.30x = 956,767,817,170.94
  5. Step 5: Solve for x
    x = 956,767,817,170.94/1,440,168.30
  6. Step 6: Final answer
    x = 664,344.45

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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.