Home / 936,134.10-1,405,583.55-726,009.30

Finding the Fourth Proportional to 936,134.10, 1,405,583.55 and 726,009.30

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Solution

The fourth proportional to 936,134.10, 1,405,583.55 and 726,009.30 is: 1,090,086.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,134.10 : 1,405,583.55 = 726,009.30 : x
  2. Step 2: Convert to fraction form
    936,134.10/1,405,583.55 = 726,009.30/x
  3. Step 3: Cross multiply
    936,134.10x = 1,405,583.55 × 726,009.30
  4. Step 4: Simplify right side
    936,134.10x = 1,020,466,729,227.02
  5. Step 5: Solve for x
    x = 1,020,466,729,227.02/936,134.10
  6. Step 6: Final answer
    x = 1,090,086.06

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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.