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Finding the Fourth Proportional to 1,054,518, 1,582,046.76 and 306,564

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Solution

The fourth proportional to 1,054,518, 1,582,046.76 and 306,564 is: 459,924.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,054,518 : 1,582,046.76 = 306,564 : x
  2. Step 2: Convert to fraction form
    1,054,518/1,582,046.76 = 306,564/x
  3. Step 3: Cross multiply
    1,054,518x = 1,582,046.76 × 306,564
  4. Step 4: Simplify right side
    1,054,518x = 484,998,582,932.64
  5. Step 5: Solve for x
    x = 484,998,582,932.64/1,054,518
  6. Step 6: Final answer
    x = 459,924.42

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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.