Home / 1,258,750.49-1,737,075.86-685,790.66

Finding the Fourth Proportional to 1,258,750.49, 1,737,075.86 and 685,790.66

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Solution

The fourth proportional to 1,258,750.49, 1,737,075.86 and 685,790.66 is: 946,391.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,750.49 : 1,737,075.86 = 685,790.66 : x
  2. Step 2: Convert to fraction form
    1,258,750.49/1,737,075.86 = 685,790.66/x
  3. Step 3: Cross multiply
    1,258,750.49x = 1,737,075.86 × 685,790.66
  4. Step 4: Simplify right side
    1,258,750.49x = 1,191,270,401,413.20
  5. Step 5: Solve for x
    x = 1,191,270,401,413.20/1,258,750.49
  6. Step 6: Final answer
    x = 946,391.22

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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.