Home / 1,404,131.30-1,937,085.74-823,059.86

Finding the Fourth Proportional to 1,404,131.30, 1,937,085.74 and 823,059.86

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Solution

The fourth proportional to 1,404,131.30, 1,937,085.74 and 823,059.86 is: 1,135,461.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,404,131.30 : 1,937,085.74 = 823,059.86 : x
  2. Step 2: Convert to fraction form
    1,404,131.30/1,937,085.74 = 823,059.86/x
  3. Step 3: Cross multiply
    1,404,131.30x = 1,937,085.74 × 823,059.86
  4. Step 4: Simplify right side
    1,404,131.30x = 1,594,337,517,972.40
  5. Step 5: Solve for x
    x = 1,594,337,517,972.40/1,404,131.30
  6. Step 6: Final answer
    x = 1,135,461.85

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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.