Home / 1,522,716.47-2,101,148.56-910,645.64

Finding the Fourth Proportional to 1,522,716.47, 2,101,148.56 and 910,645.64

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Solution

The fourth proportional to 1,522,716.47, 2,101,148.56 and 910,645.64 is: 1,256,571.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,522,716.47 : 2,101,148.56 = 910,645.64 : x
  2. Step 2: Convert to fraction form
    1,522,716.47/2,101,148.56 = 910,645.64/x
  3. Step 3: Cross multiply
    1,522,716.47x = 2,101,148.56 × 910,645.64
  4. Step 4: Simplify right side
    1,522,716.47x = 1,913,401,768,545.77
  5. Step 5: Solve for x
    x = 1,913,401,768,545.77/1,522,716.47
  6. Step 6: Final answer
    x = 1,256,571.27

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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.