Home / 1,166,131.40-1,749,974.70-534,720.20

Finding the Fourth Proportional to 1,166,131.40, 1,749,974.70 and 534,720.20

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Solution

The fourth proportional to 1,166,131.40, 1,749,974.70 and 534,720.20 is: 802,436.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,166,131.40 : 1,749,974.70 = 534,720.20 : x
  2. Step 2: Convert to fraction form
    1,166,131.40/1,749,974.70 = 534,720.20/x
  3. Step 3: Cross multiply
    1,166,131.40x = 1,749,974.70 × 534,720.20
  4. Step 4: Simplify right side
    1,166,131.40x = 935,746,821,578.94
  5. Step 5: Solve for x
    x = 935,746,821,578.94/1,166,131.40
  6. Step 6: Final answer
    x = 802,436.86

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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.