Home / 1,505,884.44-2,078,114.46-861,303.72

Finding the Fourth Proportional to 1,505,884.44, 2,078,114.46 and 861,303.72

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Solution

The fourth proportional to 1,505,884.44, 2,078,114.46 and 861,303.72 is: 1,188,595.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,505,884.44 : 2,078,114.46 = 861,303.72 : x
  2. Step 2: Convert to fraction form
    1,505,884.44/2,078,114.46 = 861,303.72/x
  3. Step 3: Cross multiply
    1,505,884.44x = 2,078,114.46 × 861,303.72
  4. Step 4: Simplify right side
    1,505,884.44x = 1,789,887,714,983.79
  5. Step 5: Solve for x
    x = 1,789,887,714,983.79/1,505,884.44
  6. Step 6: Final answer
    x = 1,188,595.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.