Home / 1,105,388.40-1,657,110.60-749,247.60

Finding the Fourth Proportional to 1,105,388.40, 1,657,110.60 and 749,247.60

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Solution

The fourth proportional to 1,105,388.40, 1,657,110.60 and 749,247.60 is: 1,123,212.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,388.40 : 1,657,110.60 = 749,247.60 : x
  2. Step 2: Convert to fraction form
    1,105,388.40/1,657,110.60 = 749,247.60/x
  3. Step 3: Cross multiply
    1,105,388.40x = 1,657,110.60 × 749,247.60
  4. Step 4: Simplify right side
    1,105,388.40x = 1,241,586,139,984.56
  5. Step 5: Solve for x
    x = 1,241,586,139,984.56/1,105,388.40
  6. Step 6: Final answer
    x = 1,123,212.56

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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.