Home / 1,052,631.36-1,452,646.22-644,584.32

Finding the Fourth Proportional to 1,052,631.36, 1,452,646.22 and 644,584.32

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Solution

The fourth proportional to 1,052,631.36, 1,452,646.22 and 644,584.32 is: 889,535.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,052,631.36 : 1,452,646.22 = 644,584.32 : x
  2. Step 2: Convert to fraction form
    1,052,631.36/1,452,646.22 = 644,584.32/x
  3. Step 3: Cross multiply
    1,052,631.36x = 1,452,646.22 × 644,584.32
  4. Step 4: Simplify right side
    1,052,631.36x = 936,352,972,696.35
  5. Step 5: Solve for x
    x = 936,352,972,696.35/1,052,631.36
  6. Step 6: Final answer
    x = 889,535.51

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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.