Home / 1,388,028.41-2,081,532.64-476,952.51

Finding the Fourth Proportional to 1,388,028.41, 2,081,532.64 and 476,952.51

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Solution

The fourth proportional to 1,388,028.41, 2,081,532.64 and 476,952.51 is: 715,253.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,388,028.41 : 2,081,532.64 = 476,952.51 : x
  2. Step 2: Convert to fraction form
    1,388,028.41/2,081,532.64 = 476,952.51/x
  3. Step 3: Cross multiply
    1,388,028.41x = 2,081,532.64 × 476,952.51
  4. Step 4: Simplify right side
    1,388,028.41x = 992,792,224,802.58
  5. Step 5: Solve for x
    x = 992,792,224,802.58/1,388,028.41
  6. Step 6: Final answer
    x = 715,253.53

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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.