Home / 1,370,720-1,892,591.36-1,100,275.52

Finding the Fourth Proportional to 1,370,720, 1,892,591.36 and 1,100,275.52

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Solution

The fourth proportional to 1,370,720, 1,892,591.36 and 1,100,275.52 is: 1,519,181.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,720 : 1,892,591.36 = 1,100,275.52 : x
  2. Step 2: Convert to fraction form
    1,370,720/1,892,591.36 = 1,100,275.52/x
  3. Step 3: Cross multiply
    1,370,720x = 1,892,591.36 × 1,100,275.52
  4. Step 4: Simplify right side
    1,370,720x = 2,082,371,942,771.51
  5. Step 5: Solve for x
    x = 2,082,371,942,771.51/1,370,720
  6. Step 6: Final answer
    x = 1,519,181.12

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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.