Home / 1,412,918.32-1,949,836.50-768,345.52

Finding the Fourth Proportional to 1,412,918.32, 1,949,836.50 and 768,345.52

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Solution

The fourth proportional to 1,412,918.32, 1,949,836.50 and 768,345.52 is: 1,060,321.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412,918.32 : 1,949,836.50 = 768,345.52 : x
  2. Step 2: Convert to fraction form
    1,412,918.32/1,949,836.50 = 768,345.52/x
  3. Step 3: Cross multiply
    1,412,918.32x = 1,949,836.50 × 768,345.52
  4. Step 4: Simplify right side
    1,412,918.32x = 1,498,148,139,507.48
  5. Step 5: Solve for x
    x = 1,498,148,139,507.48/1,412,918.32
  6. Step 6: Final answer
    x = 1,060,321.83

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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.