Home / 1,380,093.40-2,070,121.59-355,418.02

Finding the Fourth Proportional to 1,380,093.40, 2,070,121.59 and 355,418.02

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Solution

The fourth proportional to 1,380,093.40, 2,070,121.59 and 355,418.02 is: 533,122.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,380,093.40 : 2,070,121.59 = 355,418.02 : x
  2. Step 2: Convert to fraction form
    1,380,093.40/2,070,121.59 = 355,418.02/x
  3. Step 3: Cross multiply
    1,380,093.40x = 2,070,121.59 × 355,418.02
  4. Step 4: Simplify right side
    1,380,093.40x = 735,758,516,677.05
  5. Step 5: Solve for x
    x = 735,758,516,677.05/1,380,093.40
  6. Step 6: Final answer
    x = 533,122.26

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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.