Home / 945,413.28-1,305,152.12-730,069.92

Finding the Fourth Proportional to 945,413.28, 1,305,152.12 and 730,069.92

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Solution

The fourth proportional to 945,413.28, 1,305,152.12 and 730,069.92 is: 1,007,868.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,413.28 : 1,305,152.12 = 730,069.92 : x
  2. Step 2: Convert to fraction form
    945,413.28/1,305,152.12 = 730,069.92/x
  3. Step 3: Cross multiply
    945,413.28x = 1,305,152.12 × 730,069.92
  4. Step 4: Simplify right side
    945,413.28x = 952,852,303,836.23
  5. Step 5: Solve for x
    x = 952,852,303,836.23/945,413.28
  6. Step 6: Final answer
    x = 1,007,868.54

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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.