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Finding the Fourth Proportional to 1,363.42, 2,045.54 and 1,055.62

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Solution

The fourth proportional to 1,363.42, 2,045.54 and 1,055.62 is: 1,583.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,363.42 : 2,045.54 = 1,055.62 : x
  2. Step 2: Convert to fraction form
    1,363.42/2,045.54 = 1,055.62/x
  3. Step 3: Cross multiply
    1,363.42x = 2,045.54 × 1,055.62
  4. Step 4: Simplify right side
    1,363.42x = 2,159,312.93
  5. Step 5: Solve for x
    x = 2,159,312.93/1,363.42
  6. Step 6: Final answer
    x = 1,583.75

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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.