Home / 1,545,513.54-2,318,007.87-408,288.12

Finding the Fourth Proportional to 1,545,513.54, 2,318,007.87 and 408,288.12

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Solution

The fourth proportional to 1,545,513.54, 2,318,007.87 and 408,288.12 is: 612,362.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,545,513.54 : 2,318,007.87 = 408,288.12 : x
  2. Step 2: Convert to fraction form
    1,545,513.54/2,318,007.87 = 408,288.12/x
  3. Step 3: Cross multiply
    1,545,513.54x = 2,318,007.87 × 408,288.12
  4. Step 4: Simplify right side
    1,545,513.54x = 946,415,075,387.50
  5. Step 5: Solve for x
    x = 946,415,075,387.50/1,545,513.54
  6. Step 6: Final answer
    x = 612,362.85

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1.5x scale

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.