Home / 1,240,477.09-1,712,043.53-757,322.31

Finding the Fourth Proportional to 1,240,477.09, 1,712,043.53 and 757,322.31

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Solution

The fourth proportional to 1,240,477.09, 1,712,043.53 and 757,322.31 is: 1,045,217.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,477.09 : 1,712,043.53 = 757,322.31 : x
  2. Step 2: Convert to fraction form
    1,240,477.09/1,712,043.53 = 757,322.31/x
  3. Step 3: Cross multiply
    1,240,477.09x = 1,712,043.53 × 757,322.31
  4. Step 4: Simplify right side
    1,240,477.09x = 1,296,568,760,960.15
  5. Step 5: Solve for x
    x = 1,296,568,760,960.15/1,240,477.09
  6. Step 6: Final answer
    x = 1,045,217.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.