Home / 1,225,830.75-1,691,669.07-682,017.25

Finding the Fourth Proportional to 1,225,830.75, 1,691,669.07 and 682,017.25

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Solution

The fourth proportional to 1,225,830.75, 1,691,669.07 and 682,017.25 is: 941,196.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,830.75 : 1,691,669.07 = 682,017.25 : x
  2. Step 2: Convert to fraction form
    1,225,830.75/1,691,669.07 = 682,017.25/x
  3. Step 3: Cross multiply
    1,225,830.75x = 1,691,669.07 × 682,017.25
  4. Step 4: Simplify right side
    1,225,830.75x = 1,153,747,487,031.46
  5. Step 5: Solve for x
    x = 1,153,747,487,031.46/1,225,830.75
  6. Step 6: Final answer
    x = 941,196.40

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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.