Home / 1,018,711.64-1,405,860-610,879.88

Finding the Fourth Proportional to 1,018,711.64, 1,405,860 and 610,879.88

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Solution

The fourth proportional to 1,018,711.64, 1,405,860 and 610,879.88 is: 843,036.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,711.64 : 1,405,860 = 610,879.88 : x
  2. Step 2: Convert to fraction form
    1,018,711.64/1,405,860 = 610,879.88/x
  3. Step 3: Cross multiply
    1,018,711.64x = 1,405,860 × 610,879.88
  4. Step 4: Simplify right side
    1,018,711.64x = 858,811,588,096.80
  5. Step 5: Solve for x
    x = 858,811,588,096.80/1,018,711.64
  6. Step 6: Final answer
    x = 843,036.98

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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.