Home / 1,788,005.40-2,682,008.10-440,157.30

Finding the Fourth Proportional to 1,788,005.40, 2,682,008.10 and 440,157.30

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Solution

The fourth proportional to 1,788,005.40, 2,682,008.10 and 440,157.30 is: 660,235.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,788,005.40 : 2,682,008.10 = 440,157.30 : x
  2. Step 2: Convert to fraction form
    1,788,005.40/2,682,008.10 = 440,157.30/x
  3. Step 3: Cross multiply
    1,788,005.40x = 2,682,008.10 × 440,157.30
  4. Step 4: Simplify right side
    1,788,005.40x = 1,180,505,443,874.13
  5. Step 5: Solve for x
    x = 1,180,505,443,874.13/1,788,005.40
  6. Step 6: Final answer
    x = 660,235.95

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1.5x scale

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.