Home / 1,149,511.46-1,586,374.72-640,213.82

Finding the Fourth Proportional to 1,149,511.46, 1,586,374.72 and 640,213.82

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Solution

The fourth proportional to 1,149,511.46, 1,586,374.72 and 640,213.82 is: 883,522.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,511.46 : 1,586,374.72 = 640,213.82 : x
  2. Step 2: Convert to fraction form
    1,149,511.46/1,586,374.72 = 640,213.82/x
  3. Step 3: Cross multiply
    1,149,511.46x = 1,586,374.72 × 640,213.82
  4. Step 4: Simplify right side
    1,149,511.46x = 1,015,619,019,442.63
  5. Step 5: Solve for x
    x = 1,015,619,019,442.63/1,149,511.46
  6. Step 6: Final answer
    x = 883,522.31

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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.