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Finding the Fourth Proportional to 1,079,628, 1,618,336.08 and 448,908

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Solution

The fourth proportional to 1,079,628, 1,618,336.08 and 448,908 is: 672,902.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,628 : 1,618,336.08 = 448,908 : x
  2. Step 2: Convert to fraction form
    1,079,628/1,618,336.08 = 448,908/x
  3. Step 3: Cross multiply
    1,079,628x = 1,618,336.08 × 448,908
  4. Step 4: Simplify right side
    1,079,628x = 726,484,013,000.64
  5. Step 5: Solve for x
    x = 726,484,013,000.64/1,079,628
  6. Step 6: Final answer
    x = 672,902.16

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.