Home / 1,492,211.70-2,238,317.55-1,226,491.20

Finding the Fourth Proportional to 1,492,211.70, 2,238,317.55 and 1,226,491.20

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Solution

The fourth proportional to 1,492,211.70, 2,238,317.55 and 1,226,491.20 is: 1,839,736.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,492,211.70 : 2,238,317.55 = 1,226,491.20 : x
  2. Step 2: Convert to fraction form
    1,492,211.70/2,238,317.55 = 1,226,491.20/x
  3. Step 3: Cross multiply
    1,492,211.70x = 2,238,317.55 × 1,226,491.20
  4. Step 4: Simplify right side
    1,492,211.70x = 2,745,276,777,880.56
  5. Step 5: Solve for x
    x = 2,745,276,777,880.56/1,492,211.70
  6. Step 6: Final answer
    x = 1,839,736.80

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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.