Home / 1,384,207.20-2,074,561.20-672,703.20

Finding the Fourth Proportional to 1,384,207.20, 2,074,561.20 and 672,703.20

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Solution

The fourth proportional to 1,384,207.20, 2,074,561.20 and 672,703.20 is: 1,008,204.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,207.20 : 2,074,561.20 = 672,703.20 : x
  2. Step 2: Convert to fraction form
    1,384,207.20/2,074,561.20 = 672,703.20/x
  3. Step 3: Cross multiply
    1,384,207.20x = 2,074,561.20 × 672,703.20
  4. Step 4: Simplify right side
    1,384,207.20x = 1,395,563,957,835.84
  5. Step 5: Solve for x
    x = 1,395,563,957,835.84/1,384,207.20
  6. Step 6: Final answer
    x = 1,008,204.52

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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.