Home / 1,261,109.61-1,891,611.50-586,959.03

Finding the Fourth Proportional to 1,261,109.61, 1,891,611.50 and 586,959.03

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Solution

The fourth proportional to 1,261,109.61, 1,891,611.50 and 586,959.03 is: 880,413.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,109.61 : 1,891,611.50 = 586,959.03 : x
  2. Step 2: Convert to fraction form
    1,261,109.61/1,891,611.50 = 586,959.03/x
  3. Step 3: Cross multiply
    1,261,109.61x = 1,891,611.50 × 586,959.03
  4. Step 4: Simplify right side
    1,261,109.61x = 1,110,298,448,242.05
  5. Step 5: Solve for x
    x = 1,110,298,448,242.05/1,261,109.61
  6. Step 6: Final answer
    x = 880,413.91

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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.