Home / 1,811,188.56-2,716,875.81-463,362.78

Finding the Fourth Proportional to 1,811,188.56, 2,716,875.81 and 463,362.78

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Solution

The fourth proportional to 1,811,188.56, 2,716,875.81 and 463,362.78 is: 695,067.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,811,188.56 : 2,716,875.81 = 463,362.78 : x
  2. Step 2: Convert to fraction form
    1,811,188.56/2,716,875.81 = 463,362.78/x
  3. Step 3: Cross multiply
    1,811,188.56x = 2,716,875.81 × 463,362.78
  4. Step 4: Simplify right side
    1,811,188.56x = 1,258,899,128,236.35
  5. Step 5: Solve for x
    x = 1,258,899,128,236.35/1,811,188.56
  6. Step 6: Final answer
    x = 695,067.95

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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.