Home / 1,195,819.36-1,649,297.58-766,139.72

Finding the Fourth Proportional to 1,195,819.36, 1,649,297.58 and 766,139.72

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Solution

The fourth proportional to 1,195,819.36, 1,649,297.58 and 766,139.72 is: 1,056,674.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,195,819.36 : 1,649,297.58 = 766,139.72 : x
  2. Step 2: Convert to fraction form
    1,195,819.36/1,649,297.58 = 766,139.72/x
  3. Step 3: Cross multiply
    1,195,819.36x = 1,649,297.58 × 766,139.72
  4. Step 4: Simplify right side
    1,195,819.36x = 1,263,592,386,137.88
  5. Step 5: Solve for x
    x = 1,263,592,386,137.88/1,195,819.36
  6. Step 6: Final answer
    x = 1,056,674.97

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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.