Home / 1,376,144.56-1,899,066.36-772,528.24

Finding the Fourth Proportional to 1,376,144.56, 1,899,066.36 and 772,528.24

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Solution

The fourth proportional to 1,376,144.56, 1,899,066.36 and 772,528.24 is: 1,066,081.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,376,144.56 : 1,899,066.36 = 772,528.24 : x
  2. Step 2: Convert to fraction form
    1,376,144.56/1,899,066.36 = 772,528.24/x
  3. Step 3: Cross multiply
    1,376,144.56x = 1,899,066.36 × 772,528.24
  4. Step 4: Simplify right side
    1,376,144.56x = 1,467,082,392,734.01
  5. Step 5: Solve for x
    x = 1,467,082,392,734.01/1,376,144.56
  6. Step 6: Final answer
    x = 1,066,081.60

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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.