Home / 1,412,475.82-1,949,238.80-767,898.48

Finding the Fourth Proportional to 1,412,475.82, 1,949,238.80 and 767,898.48

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Solution

The fourth proportional to 1,412,475.82, 1,949,238.80 and 767,898.48 is: 1,059,711.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412,475.82 : 1,949,238.80 = 767,898.48 : x
  2. Step 2: Convert to fraction form
    1,412,475.82/1,949,238.80 = 767,898.48/x
  3. Step 3: Cross multiply
    1,412,475.82x = 1,949,238.80 × 767,898.48
  4. Step 4: Simplify right side
    1,412,475.82x = 1,496,817,511,677.02
  5. Step 5: Solve for x
    x = 1,496,817,511,677.02/1,412,475.82
  6. Step 6: Final answer
    x = 1,059,711.95

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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.