Home / 1,993,309.80-2,989,478.70-573,217.80

Finding the Fourth Proportional to 1,993,309.80, 2,989,478.70 and 573,217.80

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Solution

The fourth proportional to 1,993,309.80, 2,989,478.70 and 573,217.80 is: 859,686.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,993,309.80 : 2,989,478.70 = 573,217.80 : x
  2. Step 2: Convert to fraction form
    1,993,309.80/2,989,478.70 = 573,217.80/x
  3. Step 3: Cross multiply
    1,993,309.80x = 2,989,478.70 × 573,217.80
  4. Step 4: Simplify right side
    1,993,309.80x = 1,713,622,403,560.86
  5. Step 5: Solve for x
    x = 1,713,622,403,560.86/1,993,309.80
  6. Step 6: Final answer
    x = 859,686.94

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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.