Home / 1,114,790.99-1,538,359.92-631,359.68

Finding the Fourth Proportional to 1,114,790.99, 1,538,359.92 and 631,359.68

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Solution

The fourth proportional to 1,114,790.99, 1,538,359.92 and 631,359.68 is: 871,247.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114,790.99 : 1,538,359.92 = 631,359.68 : x
  2. Step 2: Convert to fraction form
    1,114,790.99/1,538,359.92 = 631,359.68/x
  3. Step 3: Cross multiply
    1,114,790.99x = 1,538,359.92 × 631,359.68
  4. Step 4: Simplify right side
    1,114,790.99x = 971,258,419,124.23
  5. Step 5: Solve for x
    x = 971,258,419,124.23/1,114,790.99
  6. Step 6: Final answer
    x = 871,247.10

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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.