Home / 1,189,722.32-1,641,208.59-759,550.35

Finding the Fourth Proportional to 1,189,722.32, 1,641,208.59 and 759,550.35

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Solution

The fourth proportional to 1,189,722.32, 1,641,208.59 and 759,550.35 is: 1,047,791.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,189,722.32 : 1,641,208.59 = 759,550.35 : x
  2. Step 2: Convert to fraction form
    1,189,722.32/1,641,208.59 = 759,550.35/x
  3. Step 3: Cross multiply
    1,189,722.32x = 1,641,208.59 × 759,550.35
  4. Step 4: Simplify right side
    1,189,722.32x = 1,246,580,558,957.51
  5. Step 5: Solve for x
    x = 1,246,580,558,957.51/1,189,722.32
  6. Step 6: Final answer
    x = 1,047,791.19

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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.