Home / 1,434,341.25-1,978,797.74-853,448.54

Finding the Fourth Proportional to 1,434,341.25, 1,978,797.74 and 853,448.54

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Solution

The fourth proportional to 1,434,341.25, 1,978,797.74 and 853,448.54 is: 1,177,406.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434,341.25 : 1,978,797.74 = 853,448.54 : x
  2. Step 2: Convert to fraction form
    1,434,341.25/1,978,797.74 = 853,448.54/x
  3. Step 3: Cross multiply
    1,434,341.25x = 1,978,797.74 × 853,448.54
  4. Step 4: Simplify right side
    1,434,341.25x = 1,688,802,027,997.07
  5. Step 5: Solve for x
    x = 1,688,802,027,997.07/1,434,341.25
  6. Step 6: Final answer
    x = 1,177,406.02

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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.