Home / 1,492,287.88-2,059,441.41-1,129,081.15

Finding the Fourth Proportional to 1,492,287.88, 2,059,441.41 and 1,129,081.15

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Solution

The fourth proportional to 1,492,287.88, 2,059,441.41 and 1,129,081.15 is: 1,558,195.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,492,287.88 : 2,059,441.41 = 1,129,081.15 : x
  2. Step 2: Convert to fraction form
    1,492,287.88/2,059,441.41 = 1,129,081.15/x
  3. Step 3: Cross multiply
    1,492,287.88x = 2,059,441.41 × 1,129,081.15
  4. Step 4: Simplify right side
    1,492,287.88x = 2,325,276,475,560.42
  5. Step 5: Solve for x
    x = 2,325,276,475,560.42/1,492,287.88
  6. Step 6: Final answer
    x = 1,558,195.64

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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.