Home / 1,086,303.30-1,629,649.35-455,280.90

Finding the Fourth Proportional to 1,086,303.30, 1,629,649.35 and 455,280.90

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Solution

The fourth proportional to 1,086,303.30, 1,629,649.35 and 455,280.90 is: 683,002.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,303.30 : 1,629,649.35 = 455,280.90 : x
  2. Step 2: Convert to fraction form
    1,086,303.30/1,629,649.35 = 455,280.90/x
  3. Step 3: Cross multiply
    1,086,303.30x = 1,629,649.35 × 455,280.90
  4. Step 4: Simplify right side
    1,086,303.30x = 741,948,222,752.42
  5. Step 5: Solve for x
    x = 741,948,222,752.42/1,086,303.30
  6. Step 6: Final answer
    x = 683,002.83

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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.