Home / 1,389,394.58-2,084,052.99-442,822.10

Finding the Fourth Proportional to 1,389,394.58, 2,084,052.99 and 442,822.10

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Solution

The fourth proportional to 1,389,394.58, 2,084,052.99 and 442,822.10 is: 664,220.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,389,394.58 : 2,084,052.99 = 442,822.10 : x
  2. Step 2: Convert to fraction form
    1,389,394.58/2,084,052.99 = 442,822.10/x
  3. Step 3: Cross multiply
    1,389,394.58x = 2,084,052.99 × 442,822.10
  4. Step 4: Simplify right side
    1,389,394.58x = 922,864,721,543.08
  5. Step 5: Solve for x
    x = 922,864,721,543.08/1,389,394.58
  6. Step 6: Final answer
    x = 664,220.76

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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.