Home / 1,378,768.44-2,068,178.58-432,118.20

Finding the Fourth Proportional to 1,378,768.44, 2,068,178.58 and 432,118.20

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Solution

The fourth proportional to 1,378,768.44, 2,068,178.58 and 432,118.20 is: 648,185.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,378,768.44 : 2,068,178.58 = 432,118.20 : x
  2. Step 2: Convert to fraction form
    1,378,768.44/2,068,178.58 = 432,118.20/x
  3. Step 3: Cross multiply
    1,378,768.44x = 2,068,178.58 × 432,118.20
  4. Step 4: Simplify right side
    1,378,768.44x = 893,697,605,268.16
  5. Step 5: Solve for x
    x = 893,697,605,268.16/1,378,768.44
  6. Step 6: Final answer
    x = 648,185.42

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1.5x scale

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.