Home / 1,261,985.51-1,741,334.55-745,667.48

Finding the Fourth Proportional to 1,261,985.51, 1,741,334.55 and 745,667.48

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Solution

The fourth proportional to 1,261,985.51, 1,741,334.55 and 745,667.48 is: 1,028,899.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,985.51 : 1,741,334.55 = 745,667.48 : x
  2. Step 2: Convert to fraction form
    1,261,985.51/1,741,334.55 = 745,667.48/x
  3. Step 3: Cross multiply
    1,261,985.51x = 1,741,334.55 × 745,667.48
  4. Step 4: Simplify right side
    1,261,985.51x = 1,298,456,545,735.43
  5. Step 5: Solve for x
    x = 1,298,456,545,735.43/1,261,985.51
  6. Step 6: Final answer
    x = 1,028,899.73

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1.5x scale

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.