Home / 911,130.40-1,366,695.60-867,584.80

Finding the Fourth Proportional to 911,130.40, 1,366,695.60 and 867,584.80

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Solution

The fourth proportional to 911,130.40, 1,366,695.60 and 867,584.80 is: 1,301,377.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,130.40 : 1,366,695.60 = 867,584.80 : x
  2. Step 2: Convert to fraction form
    911,130.40/1,366,695.60 = 867,584.80/x
  3. Step 3: Cross multiply
    911,130.40x = 1,366,695.60 × 867,584.80
  4. Step 4: Simplify right side
    911,130.40x = 1,185,724,328,786.88
  5. Step 5: Solve for x
    x = 1,185,724,328,786.88/911,130.40
  6. Step 6: Final answer
    x = 1,301,377.20

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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.