Home / 1,480,081.60-2,219,466.30-681,607.90

Finding the Fourth Proportional to 1,480,081.60, 2,219,466.30 and 681,607.90

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Solution

The fourth proportional to 1,480,081.60, 2,219,466.30 and 681,607.90 is: 1,022,109.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,480,081.60 : 2,219,466.30 = 681,607.90 : x
  2. Step 2: Convert to fraction form
    1,480,081.60/2,219,466.30 = 681,607.90/x
  3. Step 3: Cross multiply
    1,480,081.60x = 2,219,466.30 × 681,607.90
  4. Step 4: Simplify right side
    1,480,081.60x = 1,512,805,763,863.77
  5. Step 5: Solve for x
    x = 1,512,805,763,863.77/1,480,081.60
  6. Step 6: Final answer
    x = 1,022,109.70

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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.