Home / 1,259,897.80-1,894,512.30-1,054,611.40

Finding the Fourth Proportional to 1,259,897.80, 1,894,512.30 and 1,054,611.40

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Solution

The fourth proportional to 1,259,897.80, 1,894,512.30 and 1,054,611.40 is: 1,585,822.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,897.80 : 1,894,512.30 = 1,054,611.40 : x
  2. Step 2: Convert to fraction form
    1,259,897.80/1,894,512.30 = 1,054,611.40/x
  3. Step 3: Cross multiply
    1,259,897.80x = 1,894,512.30 × 1,054,611.40
  4. Step 4: Simplify right side
    1,259,897.80x = 1,997,974,269,020.22
  5. Step 5: Solve for x
    x = 1,997,974,269,020.22/1,259,897.80
  6. Step 6: Final answer
    x = 1,585,822.49

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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.