Home / 1,226,849.10-1,840,273.65-385,485.90

Finding the Fourth Proportional to 1,226,849.10, 1,840,273.65 and 385,485.90

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Solution

The fourth proportional to 1,226,849.10, 1,840,273.65 and 385,485.90 is: 578,228.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,849.10 : 1,840,273.65 = 385,485.90 : x
  2. Step 2: Convert to fraction form
    1,226,849.10/1,840,273.65 = 385,485.90/x
  3. Step 3: Cross multiply
    1,226,849.10x = 1,840,273.65 × 385,485.90
  4. Step 4: Simplify right side
    1,226,849.10x = 709,399,544,216.54
  5. Step 5: Solve for x
    x = 709,399,544,216.54/1,226,849.10
  6. Step 6: Final answer
    x = 578,228.85

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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.