Home / 1,288,447.27-1,932,009.80-681,563.14

Finding the Fourth Proportional to 1,288,447.27, 1,932,009.80 and 681,563.14

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Solution

The fourth proportional to 1,288,447.27, 1,932,009.80 and 681,563.14 is: 1,021,995.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,288,447.27 : 1,932,009.80 = 681,563.14 : x
  2. Step 2: Convert to fraction form
    1,288,447.27/1,932,009.80 = 681,563.14/x
  3. Step 3: Cross multiply
    1,288,447.27x = 1,932,009.80 × 681,563.14
  4. Step 4: Simplify right side
    1,288,447.27x = 1,316,786,665,798.77
  5. Step 5: Solve for x
    x = 1,316,786,665,798.77/1,288,447.27
  6. Step 6: Final answer
    x = 1,021,995.00

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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.