Home / 1,480,080.60-2,219,464.80-681,606.90

Finding the Fourth Proportional to 1,480,080.60, 2,219,464.80 and 681,606.90

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Solution

The fourth proportional to 1,480,080.60, 2,219,464.80 and 681,606.90 is: 1,022,108.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,480,080.60 : 2,219,464.80 = 681,606.90 : x
  2. Step 2: Convert to fraction form
    1,480,080.60/2,219,464.80 = 681,606.90/x
  3. Step 3: Cross multiply
    1,480,080.60x = 2,219,464.80 × 681,606.90
  4. Step 4: Simplify right side
    1,480,080.60x = 1,512,802,521,987.12
  5. Step 5: Solve for x
    x = 1,512,802,521,987.12/1,480,080.60
  6. Step 6: Final answer
    x = 1,022,108.20

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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.