Home / 1,095,330.96-1,638,999.81-646,266.96

Finding the Fourth Proportional to 1,095,330.96, 1,638,999.81 and 646,266.96

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Solution

The fourth proportional to 1,095,330.96, 1,638,999.81 and 646,266.96 is: 967,042.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,095,330.96 : 1,638,999.81 = 646,266.96 : x
  2. Step 2: Convert to fraction form
    1,095,330.96/1,638,999.81 = 646,266.96/x
  3. Step 3: Cross multiply
    1,095,330.96x = 1,638,999.81 × 646,266.96
  4. Step 4: Simplify right side
    1,095,330.96x = 1,059,231,424,649.28
  5. Step 5: Solve for x
    x = 1,059,231,424,649.28/1,095,330.96
  6. Step 6: Final answer
    x = 967,042.35

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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.