Home / 1,283,257.80-1,926,269.10-723,385.80

Finding the Fourth Proportional to 1,283,257.80, 1,926,269.10 and 723,385.80

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Solution

The fourth proportional to 1,283,257.80, 1,926,269.10 and 723,385.80 is: 1,085,857.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283,257.80 : 1,926,269.10 = 723,385.80 : x
  2. Step 2: Convert to fraction form
    1,283,257.80/1,926,269.10 = 723,385.80/x
  3. Step 3: Cross multiply
    1,283,257.80x = 1,926,269.10 × 723,385.80
  4. Step 4: Simplify right side
    1,283,257.80x = 1,393,435,713,918.78
  5. Step 5: Solve for x
    x = 1,393,435,713,918.78/1,283,257.80
  6. Step 6: Final answer
    x = 1,085,857.97

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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.