Home / 1,130,852.54-1,696,361.16-420,880.34

Finding the Fourth Proportional to 1,130,852.54, 1,696,361.16 and 420,880.34

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Solution

The fourth proportional to 1,130,852.54, 1,696,361.16 and 420,880.34 is: 631,351.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,130,852.54 : 1,696,361.16 = 420,880.34 : x
  2. Step 2: Convert to fraction form
    1,130,852.54/1,696,361.16 = 420,880.34/x
  3. Step 3: Cross multiply
    1,130,852.54x = 1,696,361.16 × 420,880.34
  4. Step 4: Simplify right side
    1,130,852.54x = 713,965,061,783.59
  5. Step 5: Solve for x
    x = 713,965,061,783.59/1,130,852.54
  6. Step 6: Final answer
    x = 631,351.16

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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.