Home / 1,322,574.01-1,982,201.38-715,338.07

Finding the Fourth Proportional to 1,322,574.01, 1,982,201.38 and 715,338.07

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Solution

The fourth proportional to 1,322,574.01, 1,982,201.38 and 715,338.07 is: 1,072,109.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,322,574.01 : 1,982,201.38 = 715,338.07 : x
  2. Step 2: Convert to fraction form
    1,322,574.01/1,982,201.38 = 715,338.07/x
  3. Step 3: Cross multiply
    1,322,574.01x = 1,982,201.38 × 715,338.07
  4. Step 4: Simplify right side
    1,322,574.01x = 1,417,944,102,776.69
  5. Step 5: Solve for x
    x = 1,417,944,102,776.69/1,322,574.01
  6. Step 6: Final answer
    x = 1,072,109.46

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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.