Home / 1,048,922.60-1,447,139.94-618,987.56

Finding the Fourth Proportional to 1,048,922.60, 1,447,139.94 and 618,987.56

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Solution

The fourth proportional to 1,048,922.60, 1,447,139.94 and 618,987.56 is: 853,982.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048,922.60 : 1,447,139.94 = 618,987.56 : x
  2. Step 2: Convert to fraction form
    1,048,922.60/1,447,139.94 = 618,987.56/x
  3. Step 3: Cross multiply
    1,048,922.60x = 1,447,139.94 × 618,987.56
  4. Step 4: Simplify right side
    1,048,922.60x = 895,761,620,439.15
  5. Step 5: Solve for x
    x = 895,761,620,439.15/1,048,922.60
  6. Step 6: Final answer
    x = 853,982.57

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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.