Home / 1,330,388.09-1,835,890.13-757,317.41

Finding the Fourth Proportional to 1,330,388.09, 1,835,890.13 and 757,317.41

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Solution

The fourth proportional to 1,330,388.09, 1,835,890.13 and 757,317.41 is: 1,045,072.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,388.09 : 1,835,890.13 = 757,317.41 : x
  2. Step 2: Convert to fraction form
    1,330,388.09/1,835,890.13 = 757,317.41/x
  3. Step 3: Cross multiply
    1,330,388.09x = 1,835,890.13 × 757,317.41
  4. Step 4: Simplify right side
    1,330,388.09x = 1,390,351,558,296.16
  5. Step 5: Solve for x
    x = 1,390,351,558,296.16/1,330,388.09
  6. Step 6: Final answer
    x = 1,045,072.16

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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.