Home / 1,445,142.58-1,994,235.09-800,589.94

Finding the Fourth Proportional to 1,445,142.58, 1,994,235.09 and 800,589.94

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Solution

The fourth proportional to 1,445,142.58, 1,994,235.09 and 800,589.94 is: 1,104,779.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,445,142.58 : 1,994,235.09 = 800,589.94 : x
  2. Step 2: Convert to fraction form
    1,445,142.58/1,994,235.09 = 800,589.94/x
  3. Step 3: Cross multiply
    1,445,142.58x = 1,994,235.09 × 800,589.94
  4. Step 4: Simplify right side
    1,445,142.58x = 1,596,564,551,048.99
  5. Step 5: Solve for x
    x = 1,596,564,551,048.99/1,445,142.58
  6. Step 6: Final answer
    x = 1,104,779.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.