Home / 753,734.20-1,128,851.70-736,238.20

Finding the Fourth Proportional to 753,734.20, 1,128,851.70 and 736,238.20

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Solution

The fourth proportional to 753,734.20, 1,128,851.70 and 736,238.20 is: 1,102,648.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,734.20 : 1,128,851.70 = 736,238.20 : x
  2. Step 2: Convert to fraction form
    753,734.20/1,128,851.70 = 736,238.20/x
  3. Step 3: Cross multiply
    753,734.20x = 1,128,851.70 × 736,238.20
  4. Step 4: Simplify right side
    753,734.20x = 831,103,743,674.94
  5. Step 5: Solve for x
    x = 831,103,743,674.94/753,734.20
  6. Step 6: Final answer
    x = 1,102,648.31

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1.5x scale

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.