Home / 1,402,039.38-1,934,814.94-757,458.38

Finding the Fourth Proportional to 1,402,039.38, 1,934,814.94 and 757,458.38

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Solution

The fourth proportional to 1,402,039.38, 1,934,814.94 and 757,458.38 is: 1,045,292.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,402,039.38 : 1,934,814.94 = 757,458.38 : x
  2. Step 2: Convert to fraction form
    1,402,039.38/1,934,814.94 = 757,458.38/x
  3. Step 3: Cross multiply
    1,402,039.38x = 1,934,814.94 × 757,458.38
  4. Step 4: Simplify right side
    1,402,039.38x = 1,465,541,790,052.20
  5. Step 5: Solve for x
    x = 1,465,541,790,052.20/1,402,039.38
  6. Step 6: Final answer
    x = 1,045,292.89

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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.