Home / 1,194,337.64-1,648,334.32-678,257.31

Finding the Fourth Proportional to 1,194,337.64, 1,648,334.32 and 678,257.31

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Solution

The fourth proportional to 1,194,337.64, 1,648,334.32 and 678,257.31 is: 936,079.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,194,337.64 : 1,648,334.32 = 678,257.31 : x
  2. Step 2: Convert to fraction form
    1,194,337.64/1,648,334.32 = 678,257.31/x
  3. Step 3: Cross multiply
    1,194,337.64x = 1,648,334.32 × 678,257.31
  4. Step 4: Simplify right side
    1,194,337.64x = 1,117,994,801,863.88
  5. Step 5: Solve for x
    x = 1,117,994,801,863.88/1,194,337.64
  6. Step 6: Final answer
    x = 936,079.35

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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.