Home / 1,335,272.72-1,842,677.39-783,880.51

Finding the Fourth Proportional to 1,335,272.72, 1,842,677.39 and 783,880.51

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Solution

The fourth proportional to 1,335,272.72, 1,842,677.39 and 783,880.51 is: 1,081,755.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,335,272.72 : 1,842,677.39 = 783,880.51 : x
  2. Step 2: Convert to fraction form
    1,335,272.72/1,842,677.39 = 783,880.51/x
  3. Step 3: Cross multiply
    1,335,272.72x = 1,842,677.39 × 783,880.51
  4. Step 4: Simplify right side
    1,335,272.72x = 1,444,438,892,238.67
  5. Step 5: Solve for x
    x = 1,444,438,892,238.67/1,335,272.72
  6. Step 6: Final answer
    x = 1,081,755.71

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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.