Home / 1,332,613.40-1,838,999.58-720,765.52

Finding the Fourth Proportional to 1,332,613.40, 1,838,999.58 and 720,765.52

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Solution

The fourth proportional to 1,332,613.40, 1,838,999.58 and 720,765.52 is: 994,652.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332,613.40 : 1,838,999.58 = 720,765.52 : x
  2. Step 2: Convert to fraction form
    1,332,613.40/1,838,999.58 = 720,765.52/x
  3. Step 3: Cross multiply
    1,332,613.40x = 1,838,999.58 × 720,765.52
  4. Step 4: Simplify right side
    1,332,613.40x = 1,325,487,488,558.48
  5. Step 5: Solve for x
    x = 1,325,487,488,558.48/1,332,613.40
  6. Step 6: Final answer
    x = 994,652.68

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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.