Home / 1,212,376.41-1,818,037.61-347,620.92

Finding the Fourth Proportional to 1,212,376.41, 1,818,037.61 and 347,620.92

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Solution

The fourth proportional to 1,212,376.41, 1,818,037.61 and 347,620.92 is: 521,280.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,376.41 : 1,818,037.61 = 347,620.92 : x
  2. Step 2: Convert to fraction form
    1,212,376.41/1,818,037.61 = 347,620.92/x
  3. Step 3: Cross multiply
    1,212,376.41x = 1,818,037.61 × 347,620.92
  4. Step 4: Simplify right side
    1,212,376.41x = 631,987,899,330.63
  5. Step 5: Solve for x
    x = 631,987,899,330.63/1,212,376.41
  6. Step 6: Final answer
    x = 521,280.27

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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.