Home / 1,078,361.12-1,617,483.36-330,409.28

Finding the Fourth Proportional to 1,078,361.12, 1,617,483.36 and 330,409.28

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Solution

The fourth proportional to 1,078,361.12, 1,617,483.36 and 330,409.28 is: 495,596.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,361.12 : 1,617,483.36 = 330,409.28 : x
  2. Step 2: Convert to fraction form
    1,078,361.12/1,617,483.36 = 330,409.28/x
  3. Step 3: Cross multiply
    1,078,361.12x = 1,617,483.36 × 330,409.28
  4. Step 4: Simplify right side
    1,078,361.12x = 534,431,512,389.58
  5. Step 5: Solve for x
    x = 534,431,512,389.58/1,078,361.12
  6. Step 6: Final answer
    x = 495,596.05

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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.