Home / 1,224,438-1,836,790.94-415,406.53

Finding the Fourth Proportional to 1,224,438, 1,836,790.94 and 415,406.53

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Solution

The fourth proportional to 1,224,438, 1,836,790.94 and 415,406.53 is: 623,155.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224,438 : 1,836,790.94 = 415,406.53 : x
  2. Step 2: Convert to fraction form
    1,224,438/1,836,790.94 = 415,406.53/x
  3. Step 3: Cross multiply
    1,224,438x = 1,836,790.94 × 415,406.53
  4. Step 4: Simplify right side
    1,224,438x = 763,014,950,720.84
  5. Step 5: Solve for x
    x = 763,014,950,720.84/1,224,438
  6. Step 6: Final answer
    x = 623,155.24

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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.