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Finding the Fourth Proportional to 903,176.60, 1,352,796.60 and 745,712.60

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Solution

The fourth proportional to 903,176.60, 1,352,796.60 and 745,712.60 is: 1,116,943.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,176.60 : 1,352,796.60 = 745,712.60 : x
  2. Step 2: Convert to fraction form
    903,176.60/1,352,796.60 = 745,712.60/x
  3. Step 3: Cross multiply
    903,176.60x = 1,352,796.60 × 745,712.60
  4. Step 4: Simplify right side
    903,176.60x = 1,008,797,469,857.16
  5. Step 5: Solve for x
    x = 1,008,797,469,857.16/903,176.60
  6. Step 6: Final answer
    x = 1,116,943.76

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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.