Home / 1,437,688.16-2,156,532.24-440,286.56

Finding the Fourth Proportional to 1,437,688.16, 2,156,532.24 and 440,286.56

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Solution

The fourth proportional to 1,437,688.16, 2,156,532.24 and 440,286.56 is: 660,429.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,437,688.16 : 2,156,532.24 = 440,286.56 : x
  2. Step 2: Convert to fraction form
    1,437,688.16/2,156,532.24 = 440,286.56/x
  3. Step 3: Cross multiply
    1,437,688.16x = 2,156,532.24 × 440,286.56
  4. Step 4: Simplify right side
    1,437,688.16x = 949,492,161,478.70
  5. Step 5: Solve for x
    x = 949,492,161,478.70/1,437,688.16
  6. Step 6: Final answer
    x = 660,429.84

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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.