Home / 1,507,738.05-2,078,989.61-1,412,078.67

Finding the Fourth Proportional to 1,507,738.05, 2,078,989.61 and 1,412,078.67

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Solution

The fourth proportional to 1,507,738.05, 2,078,989.61 and 1,412,078.67 is: 1,947,086.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,507,738.05 : 2,078,989.61 = 1,412,078.67 : x
  2. Step 2: Convert to fraction form
    1,507,738.05/2,078,989.61 = 1,412,078.67/x
  3. Step 3: Cross multiply
    1,507,738.05x = 2,078,989.61 × 1,412,078.67
  4. Step 4: Simplify right side
    1,507,738.05x = 2,935,696,876,372.23
  5. Step 5: Solve for x
    x = 2,935,696,876,372.23/1,507,738.05
  6. Step 6: Final answer
    x = 1,947,086.81

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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.