Home / 1,153,155.47-1,729,739.37-756,309.26

Finding the Fourth Proportional to 1,153,155.47, 1,729,739.37 and 756,309.26

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Solution

The fourth proportional to 1,153,155.47, 1,729,739.37 and 756,309.26 is: 1,134,467.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,153,155.47 : 1,729,739.37 = 756,309.26 : x
  2. Step 2: Convert to fraction form
    1,153,155.47/1,729,739.37 = 756,309.26/x
  3. Step 3: Cross multiply
    1,153,155.47x = 1,729,739.37 × 756,309.26
  4. Step 4: Simplify right side
    1,153,155.47x = 1,308,217,894,268.87
  5. Step 5: Solve for x
    x = 1,308,217,894,268.87/1,153,155.47
  6. Step 6: Final answer
    x = 1,134,467.93

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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.