Home / 1,206,363.28-1,809,607.20-307,812.88

Finding the Fourth Proportional to 1,206,363.28, 1,809,607.20 and 307,812.88

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Solution

The fourth proportional to 1,206,363.28, 1,809,607.20 and 307,812.88 is: 461,735.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,363.28 : 1,809,607.20 = 307,812.88 : x
  2. Step 2: Convert to fraction form
    1,206,363.28/1,809,607.20 = 307,812.88/x
  3. Step 3: Cross multiply
    1,206,363.28x = 1,809,607.20 × 307,812.88
  4. Step 4: Simplify right side
    1,206,363.28x = 557,020,403,900.74
  5. Step 5: Solve for x
    x = 557,020,403,900.74/1,206,363.28
  6. Step 6: Final answer
    x = 461,735.21

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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.