Home / 1,276,272.96-1,761,268.32-703,333.68

Finding the Fourth Proportional to 1,276,272.96, 1,761,268.32 and 703,333.68

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Solution

The fourth proportional to 1,276,272.96, 1,761,268.32 and 703,333.68 is: 970,606.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,272.96 : 1,761,268.32 = 703,333.68 : x
  2. Step 2: Convert to fraction form
    1,276,272.96/1,761,268.32 = 703,333.68/x
  3. Step 3: Cross multiply
    1,276,272.96x = 1,761,268.32 × 703,333.68
  4. Step 4: Simplify right side
    1,276,272.96x = 1,238,759,328,973.02
  5. Step 5: Solve for x
    x = 1,238,759,328,973.02/1,276,272.96
  6. Step 6: Final answer
    x = 970,606.89

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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.