Home / 1,263,975.64-1,744,292.55-691,015.84

Finding the Fourth Proportional to 1,263,975.64, 1,744,292.55 and 691,015.84

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Solution

The fourth proportional to 1,263,975.64, 1,744,292.55 and 691,015.84 is: 953,605.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,975.64 : 1,744,292.55 = 691,015.84 : x
  2. Step 2: Convert to fraction form
    1,263,975.64/1,744,292.55 = 691,015.84/x
  3. Step 3: Cross multiply
    1,263,975.64x = 1,744,292.55 × 691,015.84
  4. Step 4: Simplify right side
    1,263,975.64x = 1,205,333,781,643.99
  5. Step 5: Solve for x
    x = 1,205,333,781,643.99/1,263,975.64
  6. Step 6: Final answer
    x = 953,605.23

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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.