Home / 1,943,196.60-2,913,920.10-744,720.60

Finding the Fourth Proportional to 1,943,196.60, 2,913,920.10 and 744,720.60

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Solution

The fourth proportional to 1,943,196.60, 2,913,920.10 and 744,720.60 is: 1,116,745.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,943,196.60 : 2,913,920.10 = 744,720.60 : x
  2. Step 2: Convert to fraction form
    1,943,196.60/2,913,920.10 = 744,720.60/x
  3. Step 3: Cross multiply
    1,943,196.60x = 2,913,920.10 × 744,720.60
  4. Step 4: Simplify right side
    1,943,196.60x = 2,170,056,325,224.06
  5. Step 5: Solve for x
    x = 2,170,056,325,224.06/1,943,196.60
  6. Step 6: Final answer
    x = 1,116,745.64

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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.