Home / 1,332,698.60-1,999,046.36-434,138.90

Finding the Fourth Proportional to 1,332,698.60, 1,999,046.36 and 434,138.90

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Solution

The fourth proportional to 1,332,698.60, 1,999,046.36 and 434,138.90 is: 651,207.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332,698.60 : 1,999,046.36 = 434,138.90 : x
  2. Step 2: Convert to fraction form
    1,332,698.60/1,999,046.36 = 434,138.90/x
  3. Step 3: Cross multiply
    1,332,698.60x = 1,999,046.36 × 434,138.90
  4. Step 4: Simplify right side
    1,332,698.60x = 867,863,793,862.37
  5. Step 5: Solve for x
    x = 867,863,793,862.37/1,332,698.60
  6. Step 6: Final answer
    x = 651,207.85

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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.