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Finding the Fourth Proportional to 1,068.98, 1,476.14 and 1,034.12

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Solution

The fourth proportional to 1,068.98, 1,476.14 and 1,034.12 is: 1,428.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,068.98 : 1,476.14 = 1,034.12 : x
  2. Step 2: Convert to fraction form
    1,068.98/1,476.14 = 1,034.12/x
  3. Step 3: Cross multiply
    1,068.98x = 1,476.14 × 1,034.12
  4. Step 4: Simplify right side
    1,068.98x = 1,526,493.35
  5. Step 5: Solve for x
    x = 1,526,493.35/1,068.98
  6. Step 6: Final answer
    x = 1,428.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.