Home / 1,055,089.06-1,582,635.57-256,371.28

Finding the Fourth Proportional to 1,055,089.06, 1,582,635.57 and 256,371.28

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Solution

The fourth proportional to 1,055,089.06, 1,582,635.57 and 256,371.28 is: 384,557.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,089.06 : 1,582,635.57 = 256,371.28 : x
  2. Step 2: Convert to fraction form
    1,055,089.06/1,582,635.57 = 256,371.28/x
  3. Step 3: Cross multiply
    1,055,089.06x = 1,582,635.57 × 256,371.28
  4. Step 4: Simplify right side
    1,055,089.06x = 405,742,306,854.43
  5. Step 5: Solve for x
    x = 405,742,306,854.43/1,055,089.06
  6. Step 6: Final answer
    x = 384,557.40

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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.