Home / 1,267,109.24-1,748,596.73-686,317.97

Finding the Fourth Proportional to 1,267,109.24, 1,748,596.73 and 686,317.97

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Solution

The fourth proportional to 1,267,109.24, 1,748,596.73 and 686,317.97 is: 947,111.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,267,109.24 : 1,748,596.73 = 686,317.97 : x
  2. Step 2: Convert to fraction form
    1,267,109.24/1,748,596.73 = 686,317.97/x
  3. Step 3: Cross multiply
    1,267,109.24x = 1,748,596.73 × 686,317.97
  4. Step 4: Simplify right side
    1,267,109.24x = 1,200,093,345,907.66
  5. Step 5: Solve for x
    x = 1,200,093,345,907.66/1,267,109.24
  6. Step 6: Final answer
    x = 947,111.20

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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.