Home / 1,190,043.54-1,642,551.75-731,269.26

Finding the Fourth Proportional to 1,190,043.54, 1,642,551.75 and 731,269.26

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Solution

The fourth proportional to 1,190,043.54, 1,642,551.75 and 731,269.26 is: 1,009,330.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,043.54 : 1,642,551.75 = 731,269.26 : x
  2. Step 2: Convert to fraction form
    1,190,043.54/1,642,551.75 = 731,269.26/x
  3. Step 3: Cross multiply
    1,190,043.54x = 1,642,551.75 × 731,269.26
  4. Step 4: Simplify right side
    1,190,043.54x = 1,201,147,602,734.21
  5. Step 5: Solve for x
    x = 1,201,147,602,734.21/1,190,043.54
  6. Step 6: Final answer
    x = 1,009,330.80

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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.