Home / 1,384,209.20-2,074,564.20-672,705.20

Finding the Fourth Proportional to 1,384,209.20, 2,074,564.20 and 672,705.20

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Solution

The fourth proportional to 1,384,209.20, 2,074,564.20 and 672,705.20 is: 1,008,207.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,209.20 : 2,074,564.20 = 672,705.20 : x
  2. Step 2: Convert to fraction form
    1,384,209.20/2,074,564.20 = 672,705.20/x
  3. Step 3: Cross multiply
    1,384,209.20x = 2,074,564.20 × 672,705.20
  4. Step 4: Simplify right side
    1,384,209.20x = 1,395,570,125,073.84
  5. Step 5: Solve for x
    x = 1,395,570,125,073.84/1,384,209.20
  6. Step 6: Final answer
    x = 1,008,207.52

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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.