Home / 1,116,215.40-1,673,310.46-405,741.64

Finding the Fourth Proportional to 1,116,215.40, 1,673,310.46 and 405,741.64

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Solution

The fourth proportional to 1,116,215.40, 1,673,310.46 and 405,741.64 is: 608,244.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116,215.40 : 1,673,310.46 = 405,741.64 : x
  2. Step 2: Convert to fraction form
    1,116,215.40/1,673,310.46 = 405,741.64/x
  3. Step 3: Cross multiply
    1,116,215.40x = 1,673,310.46 × 405,741.64
  4. Step 4: Simplify right side
    1,116,215.40x = 678,931,730,269.56
  5. Step 5: Solve for x
    x = 678,931,730,269.56/1,116,215.40
  6. Step 6: Final answer
    x = 608,244.37

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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.