Home / 1,256,883.57-1,885,299.83-310,262.49

Finding the Fourth Proportional to 1,256,883.57, 1,885,299.83 and 310,262.49

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Solution

The fourth proportional to 1,256,883.57, 1,885,299.83 and 310,262.49 is: 465,387.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,883.57 : 1,885,299.83 = 310,262.49 : x
  2. Step 2: Convert to fraction form
    1,256,883.57/1,885,299.83 = 310,262.49/x
  3. Step 3: Cross multiply
    1,256,883.57x = 1,885,299.83 × 310,262.49
  4. Step 4: Simplify right side
    1,256,883.57x = 584,937,819,652.38
  5. Step 5: Solve for x
    x = 584,937,819,652.38/1,256,883.57
  6. Step 6: Final answer
    x = 465,387.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.