Home / 1,368,874.09-1,889,011.55-757,010.57

Finding the Fourth Proportional to 1,368,874.09, 1,889,011.55 and 757,010.57

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Solution

The fourth proportional to 1,368,874.09, 1,889,011.55 and 757,010.57 is: 1,044,655.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,368,874.09 : 1,889,011.55 = 757,010.57 : x
  2. Step 2: Convert to fraction form
    1,368,874.09/1,889,011.55 = 757,010.57/x
  3. Step 3: Cross multiply
    1,368,874.09x = 1,889,011.55 × 757,010.57
  4. Step 4: Simplify right side
    1,368,874.09x = 1,430,001,698,391.37
  5. Step 5: Solve for x
    x = 1,430,001,698,391.37/1,368,874.09
  6. Step 6: Final answer
    x = 1,044,655.39

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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.