Home / 1,764,509.40-2,645,338.41-684,464.28

Finding the Fourth Proportional to 1,764,509.40, 2,645,338.41 and 684,464.28

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Solution

The fourth proportional to 1,764,509.40, 2,645,338.41 and 684,464.28 is: 1,026,143.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,764,509.40 : 2,645,338.41 = 684,464.28 : x
  2. Step 2: Convert to fraction form
    1,764,509.40/2,645,338.41 = 684,464.28/x
  3. Step 3: Cross multiply
    1,764,509.40x = 2,645,338.41 × 684,464.28
  4. Step 4: Simplify right side
    1,764,509.40x = 1,810,639,650,157.00
  5. Step 5: Solve for x
    x = 1,810,639,650,157.00/1,764,509.40
  6. Step 6: Final answer
    x = 1,026,143.39

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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.