Home / 1,314,626.60-1,972,004.70-684,770.60

Finding the Fourth Proportional to 1,314,626.60, 1,972,004.70 and 684,770.60

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Solution

The fourth proportional to 1,314,626.60, 1,972,004.70 and 684,770.60 is: 1,027,189.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,626.60 : 1,972,004.70 = 684,770.60 : x
  2. Step 2: Convert to fraction form
    1,314,626.60/1,972,004.70 = 684,770.60/x
  3. Step 3: Cross multiply
    1,314,626.60x = 1,972,004.70 × 684,770.60
  4. Step 4: Simplify right side
    1,314,626.60x = 1,350,370,841,621.82
  5. Step 5: Solve for x
    x = 1,350,370,841,621.82/1,314,626.60
  6. Step 6: Final answer
    x = 1,027,189.65

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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.