Home / 1,265,165.12-1,745,971.44-692,205.28

Finding the Fourth Proportional to 1,265,165.12, 1,745,971.44 and 692,205.28

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Solution

The fourth proportional to 1,265,165.12, 1,745,971.44 and 692,205.28 is: 955,267.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265,165.12 : 1,745,971.44 = 692,205.28 : x
  2. Step 2: Convert to fraction form
    1,265,165.12/1,745,971.44 = 692,205.28/x
  3. Step 3: Cross multiply
    1,265,165.12x = 1,745,971.44 × 692,205.28
  4. Step 4: Simplify right side
    1,265,165.12x = 1,208,570,649,497.20
  5. Step 5: Solve for x
    x = 1,208,570,649,497.20/1,265,165.12
  6. Step 6: Final answer
    x = 955,267.13

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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.