Home / 1,048,717.09-1,447,340.64-641,057.56

Finding the Fourth Proportional to 1,048,717.09, 1,447,340.64 and 641,057.56

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Solution

The fourth proportional to 1,048,717.09, 1,447,340.64 and 641,057.56 is: 884,727.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048,717.09 : 1,447,340.64 = 641,057.56 : x
  2. Step 2: Convert to fraction form
    1,048,717.09/1,447,340.64 = 641,057.56/x
  3. Step 3: Cross multiply
    1,048,717.09x = 1,447,340.64 × 641,057.56
  4. Step 4: Simplify right side
    1,048,717.09x = 927,828,659,167.24
  5. Step 5: Solve for x
    x = 927,828,659,167.24/1,048,717.09
  6. Step 6: Final answer
    x = 884,727.32

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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.