Home / 1,140,093.40-1,709,012.10-539,999.80

Finding the Fourth Proportional to 1,140,093.40, 1,709,012.10 and 539,999.80

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Solution

The fourth proportional to 1,140,093.40, 1,709,012.10 and 539,999.80 is: 809,465.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,093.40 : 1,709,012.10 = 539,999.80 : x
  2. Step 2: Convert to fraction form
    1,140,093.40/1,709,012.10 = 539,999.80/x
  3. Step 3: Cross multiply
    1,140,093.40x = 1,709,012.10 × 539,999.80
  4. Step 4: Simplify right side
    1,140,093.40x = 922,866,192,197.58
  5. Step 5: Solve for x
    x = 922,866,192,197.58/1,140,093.40
  6. Step 6: Final answer
    x = 809,465.43

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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.