Home / 1,492,550.20-2,239,748.70-783,087.40

Finding the Fourth Proportional to 1,492,550.20, 2,239,748.70 and 783,087.40

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Solution

The fourth proportional to 1,492,550.20, 2,239,748.70 and 783,087.40 is: 1,175,115.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,492,550.20 : 2,239,748.70 = 783,087.40 : x
  2. Step 2: Convert to fraction form
    1,492,550.20/2,239,748.70 = 783,087.40/x
  3. Step 3: Cross multiply
    1,492,550.20x = 2,239,748.70 × 783,087.40
  4. Step 4: Simplify right side
    1,492,550.20x = 1,753,918,986,136.38
  5. Step 5: Solve for x
    x = 1,753,918,986,136.38/1,492,550.20
  6. Step 6: Final answer
    x = 1,175,115.57

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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.