Home / 1,412,864.66-1,949,756.74-768,284.48

Finding the Fourth Proportional to 1,412,864.66, 1,949,756.74 and 768,284.48

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Solution

The fourth proportional to 1,412,864.66, 1,949,756.74 and 768,284.48 is: 1,060,234.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412,864.66 : 1,949,756.74 = 768,284.48 : x
  2. Step 2: Convert to fraction form
    1,412,864.66/1,949,756.74 = 768,284.48/x
  3. Step 3: Cross multiply
    1,412,864.66x = 1,949,756.74 × 768,284.48
  4. Step 4: Simplify right side
    1,412,864.66x = 1,497,967,843,117.40
  5. Step 5: Solve for x
    x = 1,497,967,843,117.40/1,412,864.66
  6. Step 6: Final answer
    x = 1,060,234.49

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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.