Home / 1,389,297.98-2,083,924.20-442,655.84

Finding the Fourth Proportional to 1,389,297.98, 2,083,924.20 and 442,655.84

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Solution

The fourth proportional to 1,389,297.98, 2,083,924.20 and 442,655.84 is: 663,976.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,389,297.98 : 2,083,924.20 = 442,655.84 : x
  2. Step 2: Convert to fraction form
    1,389,297.98/2,083,924.20 = 442,655.84/x
  3. Step 3: Cross multiply
    1,389,297.98x = 2,083,924.20 × 442,655.84
  4. Step 4: Simplify right side
    1,389,297.98x = 922,461,217,247.33
  5. Step 5: Solve for x
    x = 922,461,217,247.33/1,389,297.98
  6. Step 6: Final answer
    x = 663,976.51

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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.