Home / 1,180,246.95-1,769,936.67-421,883.78

Finding the Fourth Proportional to 1,180,246.95, 1,769,936.67 and 421,883.78

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Solution

The fourth proportional to 1,180,246.95, 1,769,936.67 and 421,883.78 is: 632,670.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180,246.95 : 1,769,936.67 = 421,883.78 : x
  2. Step 2: Convert to fraction form
    1,180,246.95/1,769,936.67 = 421,883.78/x
  3. Step 3: Cross multiply
    1,180,246.95x = 1,769,936.67 × 421,883.78
  4. Step 4: Simplify right side
    1,180,246.95x = 746,707,563,850.53
  5. Step 5: Solve for x
    x = 746,707,563,850.53/1,180,246.95
  6. Step 6: Final answer
    x = 632,670.62

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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.