Home / 1,153,118.71-1,729,684.21-756,272.54

Finding the Fourth Proportional to 1,153,118.71, 1,729,684.21 and 756,272.54

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Solution

The fourth proportional to 1,153,118.71, 1,729,684.21 and 756,272.54 is: 1,134,412.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,153,118.71 : 1,729,684.21 = 756,272.54 : x
  2. Step 2: Convert to fraction form
    1,153,118.71/1,729,684.21 = 756,272.54/x
  3. Step 3: Cross multiply
    1,153,118.71x = 1,729,684.21 × 756,272.54
  4. Step 4: Simplify right side
    1,153,118.71x = 1,308,112,673,328.12
  5. Step 5: Solve for x
    x = 1,308,112,673,328.12/1,153,118.71
  6. Step 6: Final answer
    x = 1,134,412.84

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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.