Home / 1,918,229.95-2,647,157.52-1,058,790.43

Finding the Fourth Proportional to 1,918,229.95, 2,647,157.52 and 1,058,790.43

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Solution

The fourth proportional to 1,918,229.95, 2,647,157.52 and 1,058,790.43 is: 1,461,130.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,918,229.95 : 2,647,157.52 = 1,058,790.43 : x
  2. Step 2: Convert to fraction form
    1,918,229.95/2,647,157.52 = 1,058,790.43/x
  3. Step 3: Cross multiply
    1,918,229.95x = 2,647,157.52 × 1,058,790.43
  4. Step 4: Simplify right side
    1,918,229.95x = 2,802,785,048,878.53
  5. Step 5: Solve for x
    x = 2,802,785,048,878.53/1,918,229.95
  6. Step 6: Final answer
    x = 1,461,130.90

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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.