Home / 1,280,619.36-1,767,255.35-707,659.54

Finding the Fourth Proportional to 1,280,619.36, 1,767,255.35 and 707,659.54

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Solution

The fourth proportional to 1,280,619.36, 1,767,255.35 and 707,659.54 is: 976,570.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,619.36 : 1,767,255.35 = 707,659.54 : x
  2. Step 2: Convert to fraction form
    1,280,619.36/1,767,255.35 = 707,659.54/x
  3. Step 3: Cross multiply
    1,280,619.36x = 1,767,255.35 × 707,659.54
  4. Step 4: Simplify right side
    1,280,619.36x = 1,250,615,099,207.26
  5. Step 5: Solve for x
    x = 1,250,615,099,207.26/1,280,619.36
  6. Step 6: Final answer
    x = 976,570.51

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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.