Home / 1,310,178.92-1,962,119.04-747,507.56

Finding the Fourth Proportional to 1,310,178.92, 1,962,119.04 and 747,507.56

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Solution

The fourth proportional to 1,310,178.92, 1,962,119.04 and 747,507.56 is: 1,119,464.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310,178.92 : 1,962,119.04 = 747,507.56 : x
  2. Step 2: Convert to fraction form
    1,310,178.92/1,962,119.04 = 747,507.56/x
  3. Step 3: Cross multiply
    1,310,178.92x = 1,962,119.04 × 747,507.56
  4. Step 4: Simplify right side
    1,310,178.92x = 1,466,698,816,019.94
  5. Step 5: Solve for x
    x = 1,466,698,816,019.94/1,310,178.92
  6. Step 6: Final answer
    x = 1,119,464.52

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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.