Home / 1,205,481.90-1,805,598.45-731,340.30

Finding the Fourth Proportional to 1,205,481.90, 1,805,598.45 and 731,340.30

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Solution

The fourth proportional to 1,205,481.90, 1,805,598.45 and 731,340.30 is: 1,095,418.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,481.90 : 1,805,598.45 = 731,340.30 : x
  2. Step 2: Convert to fraction form
    1,205,481.90/1,805,598.45 = 731,340.30/x
  3. Step 3: Cross multiply
    1,205,481.90x = 1,805,598.45 × 731,340.30
  4. Step 4: Simplify right side
    1,205,481.90x = 1,320,506,912,102.54
  5. Step 5: Solve for x
    x = 1,320,506,912,102.54/1,205,481.90
  6. Step 6: Final answer
    x = 1,095,418.28

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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.