Home / 1,213,856.45-1,820,784.68-741,464.45

Finding the Fourth Proportional to 1,213,856.45, 1,820,784.68 and 741,464.45

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Solution

The fourth proportional to 1,213,856.45, 1,820,784.68 and 741,464.45 is: 1,112,196.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,856.45 : 1,820,784.68 = 741,464.45 : x
  2. Step 2: Convert to fraction form
    1,213,856.45/1,820,784.68 = 741,464.45/x
  3. Step 3: Cross multiply
    1,213,856.45x = 1,820,784.68 × 741,464.45
  4. Step 4: Simplify right side
    1,213,856.45x = 1,350,047,107,617.30
  5. Step 5: Solve for x
    x = 1,350,047,107,617.30/1,213,856.45
  6. Step 6: Final answer
    x = 1,112,196.68

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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.