Home / 1,170,927.04-1,615,858.32-661,618.48

Finding the Fourth Proportional to 1,170,927.04, 1,615,858.32 and 661,618.48

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Solution

The fourth proportional to 1,170,927.04, 1,615,858.32 and 661,618.48 is: 913,021.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,927.04 : 1,615,858.32 = 661,618.48 : x
  2. Step 2: Convert to fraction form
    1,170,927.04/1,615,858.32 = 661,618.48/x
  3. Step 3: Cross multiply
    1,170,927.04x = 1,615,858.32 × 661,618.48
  4. Step 4: Simplify right side
    1,170,927.04x = 1,069,081,725,573.75
  5. Step 5: Solve for x
    x = 1,069,081,725,573.75/1,170,927.04
  6. Step 6: Final answer
    x = 913,021.64

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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.