Home / 1,631,619.42-2,447,176.41-833,490.78

Finding the Fourth Proportional to 1,631,619.42, 2,447,176.41 and 833,490.78

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Solution

The fourth proportional to 1,631,619.42, 2,447,176.41 and 833,490.78 is: 1,250,107.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,631,619.42 : 2,447,176.41 = 833,490.78 : x
  2. Step 2: Convert to fraction form
    1,631,619.42/2,447,176.41 = 833,490.78/x
  3. Step 3: Cross multiply
    1,631,619.42x = 2,447,176.41 × 833,490.78
  4. Step 4: Simplify right side
    1,631,619.42x = 2,039,698,974,768.50
  5. Step 5: Solve for x
    x = 2,039,698,974,768.50/1,631,619.42
  6. Step 6: Final answer
    x = 1,250,107.07

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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.