Home / 1,389,397.83-2,084,057.87-442,825.35

Finding the Fourth Proportional to 1,389,397.83, 2,084,057.87 and 442,825.35

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Solution

The fourth proportional to 1,389,397.83, 2,084,057.87 and 442,825.35 is: 664,225.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,389,397.83 : 2,084,057.87 = 442,825.35 : x
  2. Step 2: Convert to fraction form
    1,389,397.83/2,084,057.87 = 442,825.35/x
  3. Step 3: Cross multiply
    1,389,397.83x = 2,084,057.87 × 442,825.35
  4. Step 4: Simplify right side
    1,389,397.83x = 922,873,653,488.88
  5. Step 5: Solve for x
    x = 922,873,653,488.88/1,389,397.83
  6. Step 6: Final answer
    x = 664,225.63

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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.