Home / 1,349,826.40-2,022,406.80-638,322.40

Finding the Fourth Proportional to 1,349,826.40, 2,022,406.80 and 638,322.40

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Solution

The fourth proportional to 1,349,826.40, 2,022,406.80 and 638,322.40 is: 956,380.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,349,826.40 : 2,022,406.80 = 638,322.40 : x
  2. Step 2: Convert to fraction form
    1,349,826.40/2,022,406.80 = 638,322.40/x
  3. Step 3: Cross multiply
    1,349,826.40x = 2,022,406.80 × 638,322.40
  4. Step 4: Simplify right side
    1,349,826.40x = 1,290,947,562,352.32
  5. Step 5: Solve for x
    x = 1,290,947,562,352.32/1,349,826.40
  6. Step 6: Final answer
    x = 956,380.44

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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.