Home / 1,054,886.32-1,582,307.60-256,172.05

Finding the Fourth Proportional to 1,054,886.32, 1,582,307.60 and 256,172.05

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Solution

The fourth proportional to 1,054,886.32, 1,582,307.60 and 256,172.05 is: 384,252.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,054,886.32 : 1,582,307.60 = 256,172.05 : x
  2. Step 2: Convert to fraction form
    1,054,886.32/1,582,307.60 = 256,172.05/x
  3. Step 3: Cross multiply
    1,054,886.32x = 1,582,307.60 × 256,172.05
  4. Step 4: Simplify right side
    1,054,886.32x = 405,342,982,319.60
  5. Step 5: Solve for x
    x = 405,342,982,319.60/1,054,886.32
  6. Step 6: Final answer
    x = 384,252.76

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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.