Home / 1,283,449.65-1,771,181.41-702,662.98

Finding the Fourth Proportional to 1,283,449.65, 1,771,181.41 and 702,662.98

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Solution

The fourth proportional to 1,283,449.65, 1,771,181.41 and 702,662.98 is: 969,686.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283,449.65 : 1,771,181.41 = 702,662.98 : x
  2. Step 2: Convert to fraction form
    1,283,449.65/1,771,181.41 = 702,662.98/x
  3. Step 3: Cross multiply
    1,283,449.65x = 1,771,181.41 × 702,662.98
  4. Step 4: Simplify right side
    1,283,449.65x = 1,244,543,609,446.01
  5. Step 5: Solve for x
    x = 1,244,543,609,446.01/1,283,449.65
  6. Step 6: Final answer
    x = 969,686.35

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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.