Home / 1,263,908.40-1,744,203.91-720,035.52

Finding the Fourth Proportional to 1,263,908.40, 1,744,203.91 and 720,035.52

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Solution

The fourth proportional to 1,263,908.40, 1,744,203.91 and 720,035.52 is: 993,654.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,908.40 : 1,744,203.91 = 720,035.52 : x
  2. Step 2: Convert to fraction form
    1,263,908.40/1,744,203.91 = 720,035.52/x
  3. Step 3: Cross multiply
    1,263,908.40x = 1,744,203.91 × 720,035.52
  4. Step 4: Simplify right side
    1,263,908.40x = 1,255,888,765,722.71
  5. Step 5: Solve for x
    x = 1,255,888,765,722.71/1,263,908.40
  6. Step 6: Final answer
    x = 993,654.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.