Home / 1,256,923.25-1,734,251.63-740,698.23

Finding the Fourth Proportional to 1,256,923.25, 1,734,251.63 and 740,698.23

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Solution

The fourth proportional to 1,256,923.25, 1,734,251.63 and 740,698.23 is: 1,021,985.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,923.25 : 1,734,251.63 = 740,698.23 : x
  2. Step 2: Convert to fraction form
    1,256,923.25/1,734,251.63 = 740,698.23/x
  3. Step 3: Cross multiply
    1,256,923.25x = 1,734,251.63 × 740,698.23
  4. Step 4: Simplify right side
    1,256,923.25x = 1,284,557,112,715.61
  5. Step 5: Solve for x
    x = 1,284,557,112,715.61/1,256,923.25
  6. Step 6: Final answer
    x = 1,021,985.32

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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.