Home / 1,403,118.08-2,104,022.78-729,018.16

Finding the Fourth Proportional to 1,403,118.08, 2,104,022.78 and 729,018.16

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Solution

The fourth proportional to 1,403,118.08, 2,104,022.78 and 729,018.16 is: 1,093,187.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,403,118.08 : 2,104,022.78 = 729,018.16 : x
  2. Step 2: Convert to fraction form
    1,403,118.08/2,104,022.78 = 729,018.16/x
  3. Step 3: Cross multiply
    1,403,118.08x = 2,104,022.78 × 729,018.16
  4. Step 4: Simplify right side
    1,403,118.08x = 1,533,870,815,673.68
  5. Step 5: Solve for x
    x = 1,533,870,815,673.68/1,403,118.08
  6. Step 6: Final answer
    x = 1,093,187.26

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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.