Home / 1,362,312.40-2,039,969.40-1,080,043.60

Finding the Fourth Proportional to 1,362,312.40, 2,039,969.40 and 1,080,043.60

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Solution

The fourth proportional to 1,362,312.40, 2,039,969.40 and 1,080,043.60 is: 1,617,291.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,362,312.40 : 2,039,969.40 = 1,080,043.60 : x
  2. Step 2: Convert to fraction form
    1,362,312.40/2,039,969.40 = 1,080,043.60/x
  3. Step 3: Cross multiply
    1,362,312.40x = 2,039,969.40 × 1,080,043.60
  4. Step 4: Simplify right side
    1,362,312.40x = 2,203,255,894,665.84
  5. Step 5: Solve for x
    x = 2,203,255,894,665.84/1,362,312.40
  6. Step 6: Final answer
    x = 1,617,291.23

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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.