Home / 1,201,321.33-1,657,659.81-717,784.27

Finding the Fourth Proportional to 1,201,321.33, 1,657,659.81 and 717,784.27

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Solution

The fourth proportional to 1,201,321.33, 1,657,659.81 and 717,784.27 is: 990,444.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,201,321.33 : 1,657,659.81 = 717,784.27 : x
  2. Step 2: Convert to fraction form
    1,201,321.33/1,657,659.81 = 717,784.27/x
  3. Step 3: Cross multiply
    1,201,321.33x = 1,657,659.81 × 717,784.27
  4. Step 4: Simplify right side
    1,201,321.33x = 1,189,842,136,629.19
  5. Step 5: Solve for x
    x = 1,189,842,136,629.19/1,201,321.33
  6. Step 6: Final answer
    x = 990,444.53

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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.