Home / 753,699.20-1,128,799.20-736,203.20

Finding the Fourth Proportional to 753,699.20, 1,128,799.20 and 736,203.20

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Solution

The fourth proportional to 753,699.20, 1,128,799.20 and 736,203.20 is: 1,102,595.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,699.20 : 1,128,799.20 = 736,203.20 : x
  2. Step 2: Convert to fraction form
    753,699.20/1,128,799.20 = 736,203.20/x
  3. Step 3: Cross multiply
    753,699.20x = 1,128,799.20 × 736,203.20
  4. Step 4: Simplify right side
    753,699.20x = 831,025,583,197.44
  5. Step 5: Solve for x
    x = 831,025,583,197.44/753,699.20
  6. Step 6: Final answer
    x = 1,102,595.81

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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.