Home / 1,383,992.90-2,076,317.40-710,178.20

Finding the Fourth Proportional to 1,383,992.90, 2,076,317.40 and 710,178.20

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Solution

The fourth proportional to 1,383,992.90, 2,076,317.40 and 710,178.20 is: 1,065,435.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,383,992.90 : 2,076,317.40 = 710,178.20 : x
  2. Step 2: Convert to fraction form
    1,383,992.90/2,076,317.40 = 710,178.20/x
  3. Step 3: Cross multiply
    1,383,992.90x = 2,076,317.40 × 710,178.20
  4. Step 4: Simplify right side
    1,383,992.90x = 1,474,555,353,760.68
  5. Step 5: Solve for x
    x = 1,474,555,353,760.68/1,383,992.90
  6. Step 6: Final answer
    x = 1,065,435.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.