Home / 1,256,928.24-1,734,258.54-740,703.24

Finding the Fourth Proportional to 1,256,928.24, 1,734,258.54 and 740,703.24

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Solution

The fourth proportional to 1,256,928.24, 1,734,258.54 and 740,703.24 is: 1,021,992.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,928.24 : 1,734,258.54 = 740,703.24 : x
  2. Step 2: Convert to fraction form
    1,256,928.24/1,734,258.54 = 740,703.24/x
  3. Step 3: Cross multiply
    1,256,928.24x = 1,734,258.54 × 740,703.24
  4. Step 4: Simplify right side
    1,256,928.24x = 1,284,570,919,575.67
  5. Step 5: Solve for x
    x = 1,284,570,919,575.67/1,256,928.24
  6. Step 6: Final answer
    x = 1,021,992.25

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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.