Home / 1,434,879.72-1,980,273.84-1,071,672.96

Finding the Fourth Proportional to 1,434,879.72, 1,980,273.84 and 1,071,672.96

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Solution

The fourth proportional to 1,434,879.72, 1,980,273.84 and 1,071,672.96 is: 1,479,013.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434,879.72 : 1,980,273.84 = 1,071,672.96 : x
  2. Step 2: Convert to fraction form
    1,434,879.72/1,980,273.84 = 1,071,672.96/x
  3. Step 3: Cross multiply
    1,434,879.72x = 1,980,273.84 × 1,071,672.96
  4. Step 4: Simplify right side
    1,434,879.72x = 2,122,205,927,723.37
  5. Step 5: Solve for x
    x = 2,122,205,927,723.37/1,434,879.72
  6. Step 6: Final answer
    x = 1,479,013.12

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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.