Home / 961,118.84-1,326,327.54-685,983.31

Finding the Fourth Proportional to 961,118.84, 1,326,327.54 and 685,983.31

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Solution

The fourth proportional to 961,118.84, 1,326,327.54 and 685,983.31 is: 946,645.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,118.84 : 1,326,327.54 = 685,983.31 : x
  2. Step 2: Convert to fraction form
    961,118.84/1,326,327.54 = 685,983.31/x
  3. Step 3: Cross multiply
    961,118.84x = 1,326,327.54 × 685,983.31
  4. Step 4: Simplify right side
    961,118.84x = 909,838,556,033.36
  5. Step 5: Solve for x
    x = 909,838,556,033.36/961,118.84
  6. Step 6: Final answer
    x = 946,645.22

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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.