Home / 1,216,830.02-1,825,350.87-318,267.86

Finding the Fourth Proportional to 1,216,830.02, 1,825,350.87 and 318,267.86

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Solution

The fourth proportional to 1,216,830.02, 1,825,350.87 and 318,267.86 is: 477,429.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,830.02 : 1,825,350.87 = 318,267.86 : x
  2. Step 2: Convert to fraction form
    1,216,830.02/1,825,350.87 = 318,267.86/x
  3. Step 3: Cross multiply
    1,216,830.02x = 1,825,350.87 × 318,267.86
  4. Step 4: Simplify right side
    1,216,830.02x = 580,950,515,144.04
  5. Step 5: Solve for x
    x = 580,950,515,144.04/1,216,830.02
  6. Step 6: Final answer
    x = 477,429.47

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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.