Home / 1,793,857.51-2,475,542.69-978,054.54

Finding the Fourth Proportional to 1,793,857.51, 2,475,542.69 and 978,054.54

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Solution

The fourth proportional to 1,793,857.51, 2,475,542.69 and 978,054.54 is: 1,349,725.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,793,857.51 : 2,475,542.69 = 978,054.54 : x
  2. Step 2: Convert to fraction form
    1,793,857.51/2,475,542.69 = 978,054.54/x
  3. Step 3: Cross multiply
    1,793,857.51x = 2,475,542.69 × 978,054.54
  4. Step 4: Simplify right side
    1,793,857.51x = 2,421,215,766,918.31
  5. Step 5: Solve for x
    x = 2,421,215,766,918.31/1,793,857.51
  6. Step 6: Final answer
    x = 1,349,725.80

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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.