Home / 1,258,741.85-1,737,063.95-685,782.02

Finding the Fourth Proportional to 1,258,741.85, 1,737,063.95 and 685,782.02

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Solution

The fourth proportional to 1,258,741.85, 1,737,063.95 and 685,782.02 is: 946,379.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,741.85 : 1,737,063.95 = 685,782.02 : x
  2. Step 2: Convert to fraction form
    1,258,741.85/1,737,063.95 = 685,782.02/x
  3. Step 3: Cross multiply
    1,258,741.85x = 1,737,063.95 × 685,782.02
  4. Step 4: Simplify right side
    1,258,741.85x = 1,191,247,225,413.93
  5. Step 5: Solve for x
    x = 1,191,247,225,413.93/1,258,741.85
  6. Step 6: Final answer
    x = 946,379.30

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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.