Home / 935,735.20-1,401,529.20-724,688.80

Finding the Fourth Proportional to 935,735.20, 1,401,529.20 and 724,688.80

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Solution

The fourth proportional to 935,735.20, 1,401,529.20 and 724,688.80 is: 1,085,427.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,735.20 : 1,401,529.20 = 724,688.80 : x
  2. Step 2: Convert to fraction form
    935,735.20/1,401,529.20 = 724,688.80/x
  3. Step 3: Cross multiply
    935,735.20x = 1,401,529.20 × 724,688.80
  4. Step 4: Simplify right side
    935,735.20x = 1,015,672,514,112.96
  5. Step 5: Solve for x
    x = 1,015,672,514,112.96/935,735.20
  6. Step 6: Final answer
    x = 1,085,427.28

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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.