Home / 1,104,703.92-1,656,385.20-720,738

Finding the Fourth Proportional to 1,104,703.92, 1,656,385.20 and 720,738

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Solution

The fourth proportional to 1,104,703.92, 1,656,385.20 and 720,738 is: 1,080,669.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,104,703.92 : 1,656,385.20 = 720,738 : x
  2. Step 2: Convert to fraction form
    1,104,703.92/1,656,385.20 = 720,738/x
  3. Step 3: Cross multiply
    1,104,703.92x = 1,656,385.20 × 720,738
  4. Step 4: Simplify right side
    1,104,703.92x = 1,193,819,756,277.60
  5. Step 5: Solve for x
    x = 1,193,819,756,277.60/1,104,703.92
  6. Step 6: Final answer
    x = 1,080,669.43

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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.