Home / 1,029,786.40-1,546,429.20-763,847.20

Finding the Fourth Proportional to 1,029,786.40, 1,546,429.20 and 763,847.20

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Solution

The fourth proportional to 1,029,786.40, 1,546,429.20 and 763,847.20 is: 1,147,068.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,029,786.40 : 1,546,429.20 = 763,847.20 : x
  2. Step 2: Convert to fraction form
    1,029,786.40/1,546,429.20 = 763,847.20/x
  3. Step 3: Cross multiply
    1,029,786.40x = 1,546,429.20 × 763,847.20
  4. Step 4: Simplify right side
    1,029,786.40x = 1,181,235,614,418.24
  5. Step 5: Solve for x
    x = 1,181,235,614,418.24/1,029,786.40
  6. Step 6: Final answer
    x = 1,147,068.57

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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.