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Finding the Fourth Proportional to 1,170,364, 1,755,546.72 and 283,900

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Solution

The fourth proportional to 1,170,364, 1,755,546.72 and 283,900 is: 425,850.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,364 : 1,755,546.72 = 283,900 : x
  2. Step 2: Convert to fraction form
    1,170,364/1,755,546.72 = 283,900/x
  3. Step 3: Cross multiply
    1,170,364x = 1,755,546.72 × 283,900
  4. Step 4: Simplify right side
    1,170,364x = 498,399,713,808
  5. Step 5: Solve for x
    x = 498,399,713,808/1,170,364
  6. Step 6: Final answer
    x = 425,850.17

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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.