Home / 1,116,218.40-1,673,314.96-405,744.64

Finding the Fourth Proportional to 1,116,218.40, 1,673,314.96 and 405,744.64

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Solution

The fourth proportional to 1,116,218.40, 1,673,314.96 and 405,744.64 is: 608,248.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116,218.40 : 1,673,314.96 = 405,744.64 : x
  2. Step 2: Convert to fraction form
    1,116,218.40/1,673,314.96 = 405,744.64/x
  3. Step 3: Cross multiply
    1,116,218.40x = 1,673,314.96 × 405,744.64
  4. Step 4: Simplify right side
    1,116,218.40x = 678,938,576,051.82
  5. Step 5: Solve for x
    x = 678,938,576,051.82/1,116,218.40
  6. Step 6: Final answer
    x = 608,248.87

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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.