Home / 1,208,922.72-1,667,168.28-773,477.85

Finding the Fourth Proportional to 1,208,922.72, 1,667,168.28 and 773,477.85

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Solution

The fourth proportional to 1,208,922.72, 1,667,168.28 and 773,477.85 is: 1,066,666.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,922.72 : 1,667,168.28 = 773,477.85 : x
  2. Step 2: Convert to fraction form
    1,208,922.72/1,667,168.28 = 773,477.85/x
  3. Step 3: Cross multiply
    1,208,922.72x = 1,667,168.28 × 773,477.85
  4. Step 4: Simplify right side
    1,208,922.72x = 1,289,517,736,802.60
  5. Step 5: Solve for x
    x = 1,289,517,736,802.60/1,208,922.72
  6. Step 6: Final answer
    x = 1,066,666.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.