Home / 1,264,969.51-1,745,699.20-692,009.69

Finding the Fourth Proportional to 1,264,969.51, 1,745,699.20 and 692,009.69

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Solution

The fourth proportional to 1,264,969.51, 1,745,699.20 and 692,009.69 is: 954,995.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,264,969.51 : 1,745,699.20 = 692,009.69 : x
  2. Step 2: Convert to fraction form
    1,264,969.51/1,745,699.20 = 692,009.69/x
  3. Step 3: Cross multiply
    1,264,969.51x = 1,745,699.20 × 692,009.69
  4. Step 4: Simplify right side
    1,264,969.51x = 1,208,040,757,859.89
  5. Step 5: Solve for x
    x = 1,208,040,757,859.89/1,264,969.51
  6. Step 6: Final answer
    x = 954,995.95

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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.