Home / 936,131.60-1,405,579.80-726,006.80

Finding the Fourth Proportional to 936,131.60, 1,405,579.80 and 726,006.80

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Solution

The fourth proportional to 936,131.60, 1,405,579.80 and 726,006.80 is: 1,090,082.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,131.60 : 1,405,579.80 = 726,006.80 : x
  2. Step 2: Convert to fraction form
    936,131.60/1,405,579.80 = 726,006.80/x
  3. Step 3: Cross multiply
    936,131.60x = 1,405,579.80 × 726,006.80
  4. Step 4: Simplify right side
    936,131.60x = 1,020,460,492,742.64
  5. Step 5: Solve for x
    x = 1,020,460,492,742.64/936,131.60
  6. Step 6: Final answer
    x = 1,090,082.31

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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.