Home / 1,215,600.36-1,677,629.51-671,842.32

Finding the Fourth Proportional to 1,215,600.36, 1,677,629.51 and 671,842.32

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Solution

The fourth proportional to 1,215,600.36, 1,677,629.51 and 671,842.32 is: 927,198.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,600.36 : 1,677,629.51 = 671,842.32 : x
  2. Step 2: Convert to fraction form
    1,215,600.36/1,677,629.51 = 671,842.32/x
  3. Step 3: Cross multiply
    1,215,600.36x = 1,677,629.51 × 671,842.32
  4. Step 4: Simplify right side
    1,215,600.36x = 1,127,102,502,098.86
  5. Step 5: Solve for x
    x = 1,127,102,502,098.86/1,215,600.36
  6. Step 6: Final answer
    x = 927,198.23

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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.