Home / 1,017,103.52-1,525,630.67-258,946.64

Finding the Fourth Proportional to 1,017,103.52, 1,525,630.67 and 258,946.64

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Solution

The fourth proportional to 1,017,103.52, 1,525,630.67 and 258,946.64 is: 388,413.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,017,103.52 : 1,525,630.67 = 258,946.64 : x
  2. Step 2: Convert to fraction form
    1,017,103.52/1,525,630.67 = 258,946.64/x
  3. Step 3: Cross multiply
    1,017,103.52x = 1,525,630.67 × 258,946.64
  4. Step 4: Simplify right side
    1,017,103.52x = 395,056,926,954.56
  5. Step 5: Solve for x
    x = 395,056,926,954.56/1,017,103.52
  6. Step 6: Final answer
    x = 388,413.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.