Home / 1,145,380.04-1,580,532.26-661,976.49

Finding the Fourth Proportional to 1,145,380.04, 1,580,532.26 and 661,976.49

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Solution

The fourth proportional to 1,145,380.04, 1,580,532.26 and 661,976.49 is: 913,474.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,380.04 : 1,580,532.26 = 661,976.49 : x
  2. Step 2: Convert to fraction form
    1,145,380.04/1,580,532.26 = 661,976.49/x
  3. Step 3: Cross multiply
    1,145,380.04x = 1,580,532.26 × 661,976.49
  4. Step 4: Simplify right side
    1,145,380.04x = 1,046,275,199,461.51
  5. Step 5: Solve for x
    x = 1,046,275,199,461.51/1,145,380.04
  6. Step 6: Final answer
    x = 913,474.28

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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.