Home / 1,540,949.80-2,311,424.70-403,709.80

Finding the Fourth Proportional to 1,540,949.80, 2,311,424.70 and 403,709.80

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Solution

The fourth proportional to 1,540,949.80, 2,311,424.70 and 403,709.80 is: 605,564.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,540,949.80 : 2,311,424.70 = 403,709.80 : x
  2. Step 2: Convert to fraction form
    1,540,949.80/2,311,424.70 = 403,709.80/x
  3. Step 3: Cross multiply
    1,540,949.80x = 2,311,424.70 × 403,709.80
  4. Step 4: Simplify right side
    1,540,949.80x = 933,144,803,352.06
  5. Step 5: Solve for x
    x = 933,144,803,352.06/1,540,949.80
  6. Step 6: Final answer
    x = 605,564.70

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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.