Home / 1,206,037.80-1,809,056.70-757,265.40

Finding the Fourth Proportional to 1,206,037.80, 1,809,056.70 and 757,265.40

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Solution

The fourth proportional to 1,206,037.80, 1,809,056.70 and 757,265.40 is: 1,135,898.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,037.80 : 1,809,056.70 = 757,265.40 : x
  2. Step 2: Convert to fraction form
    1,206,037.80/1,809,056.70 = 757,265.40/x
  3. Step 3: Cross multiply
    1,206,037.80x = 1,809,056.70 × 757,265.40
  4. Step 4: Simplify right side
    1,206,037.80x = 1,369,936,045,548.18
  5. Step 5: Solve for x
    x = 1,369,936,045,548.18/1,206,037.80
  6. Step 6: Final answer
    x = 1,135,898.10

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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.