Home / 1,100,620.90-1,649,619.15-460,923.40

Finding the Fourth Proportional to 1,100,620.90, 1,649,619.15 and 460,923.40

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Solution

The fourth proportional to 1,100,620.90, 1,649,619.15 and 460,923.40 is: 690,835.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,620.90 : 1,649,619.15 = 460,923.40 : x
  2. Step 2: Convert to fraction form
    1,100,620.90/1,649,619.15 = 460,923.40/x
  3. Step 3: Cross multiply
    1,100,620.90x = 1,649,619.15 × 460,923.40
  4. Step 4: Simplify right side
    1,100,620.90x = 760,348,067,323.11
  5. Step 5: Solve for x
    x = 760,348,067,323.11/1,100,620.90
  6. Step 6: Final answer
    x = 690,835.57

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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.