Home / 1,831,801.80-2,748,284.82-821,792.28

Finding the Fourth Proportional to 1,831,801.80, 2,748,284.82 and 821,792.28

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Solution

The fourth proportional to 1,831,801.80, 2,748,284.82 and 821,792.28 is: 1,232,949.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,831,801.80 : 2,748,284.82 = 821,792.28 : x
  2. Step 2: Convert to fraction form
    1,831,801.80/2,748,284.82 = 821,792.28/x
  3. Step 3: Cross multiply
    1,831,801.80x = 2,748,284.82 × 821,792.28
  4. Step 4: Simplify right side
    1,831,801.80x = 2,258,519,248,317.19
  5. Step 5: Solve for x
    x = 2,258,519,248,317.19/1,831,801.80
  6. Step 6: Final answer
    x = 1,232,949.57

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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.