Home / 1,195,705.71-1,649,139.89-766,026.63

Finding the Fourth Proportional to 1,195,705.71, 1,649,139.89 and 766,026.63

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Solution

The fourth proportional to 1,195,705.71, 1,649,139.89 and 766,026.63 is: 1,056,518.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,195,705.71 : 1,649,139.89 = 766,026.63 : x
  2. Step 2: Convert to fraction form
    1,195,705.71/1,649,139.89 = 766,026.63/x
  3. Step 3: Cross multiply
    1,195,705.71x = 1,649,139.89 × 766,026.63
  4. Step 4: Simplify right side
    1,195,705.71x = 1,263,285,068,505.14
  5. Step 5: Solve for x
    x = 1,263,285,068,505.14/1,195,705.71
  6. Step 6: Final answer
    x = 1,056,518.39

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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.