Home / 1,535,671.20-2,303,485.20-694,221.60

Finding the Fourth Proportional to 1,535,671.20, 2,303,485.20 and 694,221.60

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Solution

The fourth proportional to 1,535,671.20, 2,303,485.20 and 694,221.60 is: 1,041,322.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,535,671.20 : 2,303,485.20 = 694,221.60 : x
  2. Step 2: Convert to fraction form
    1,535,671.20/2,303,485.20 = 694,221.60/x
  3. Step 3: Cross multiply
    1,535,671.20x = 2,303,485.20 × 694,221.60
  4. Step 4: Simplify right side
    1,535,671.20x = 1,599,129,181,120.32
  5. Step 5: Solve for x
    x = 1,599,129,181,120.32/1,535,671.20
  6. Step 6: Final answer
    x = 1,041,322.64

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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.