Home / 1,418,917.93-2,127,111.31-520,149.85

Finding the Fourth Proportional to 1,418,917.93, 2,127,111.31 and 520,149.85

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Solution

The fourth proportional to 1,418,917.93, 2,127,111.31 and 520,149.85 is: 779,760.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,917.93 : 2,127,111.31 = 520,149.85 : x
  2. Step 2: Convert to fraction form
    1,418,917.93/2,127,111.31 = 520,149.85/x
  3. Step 3: Cross multiply
    1,418,917.93x = 2,127,111.31 × 520,149.85
  4. Step 4: Simplify right side
    1,418,917.93x = 1,106,416,634,664.29
  5. Step 5: Solve for x
    x = 1,106,416,634,664.29/1,418,917.93
  6. Step 6: Final answer
    x = 779,760.84

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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.