Home / 1,415,029.32-1,952,775.45-770,484.78

Finding the Fourth Proportional to 1,415,029.32, 1,952,775.45 and 770,484.78

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Solution

The fourth proportional to 1,415,029.32, 1,952,775.45 and 770,484.78 is: 1,063,288.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,415,029.32 : 1,952,775.45 = 770,484.78 : x
  2. Step 2: Convert to fraction form
    1,415,029.32/1,952,775.45 = 770,484.78/x
  3. Step 3: Cross multiply
    1,415,029.32x = 1,952,775.45 × 770,484.78
  4. Step 4: Simplify right side
    1,415,029.32x = 1,504,583,762,982.65
  5. Step 5: Solve for x
    x = 1,504,583,762,982.65/1,415,029.32
  6. Step 6: Final answer
    x = 1,063,288.05

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.