Home / 1,492,475.20-2,238,052.32-427,274.56

Finding the Fourth Proportional to 1,492,475.20, 2,238,052.32 and 427,274.56

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Solution

The fourth proportional to 1,492,475.20, 2,238,052.32 and 427,274.56 is: 640,722.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,492,475.20 : 2,238,052.32 = 427,274.56 : x
  2. Step 2: Convert to fraction form
    1,492,475.20/2,238,052.32 = 427,274.56/x
  3. Step 3: Cross multiply
    1,492,475.20x = 2,238,052.32 × 427,274.56
  4. Step 4: Simplify right side
    1,492,475.20x = 956,262,820,284.98
  5. Step 5: Solve for x
    x = 956,262,820,284.98/1,492,475.20
  6. Step 6: Final answer
    x = 640,722.75

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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.