Home / 1,330,354.21-1,835,890.53-757,394.37

Finding the Fourth Proportional to 1,330,354.21, 1,835,890.53 and 757,394.37

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Solution

The fourth proportional to 1,330,354.21, 1,835,890.53 and 757,394.37 is: 1,045,205.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,354.21 : 1,835,890.53 = 757,394.37 : x
  2. Step 2: Convert to fraction form
    1,330,354.21/1,835,890.53 = 757,394.37/x
  3. Step 3: Cross multiply
    1,330,354.21x = 1,835,890.53 × 757,394.37
  4. Step 4: Simplify right side
    1,330,354.21x = 1,390,493,151,358.32
  5. Step 5: Solve for x
    x = 1,390,493,151,358.32/1,330,354.21
  6. Step 6: Final answer
    x = 1,045,205.21

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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.