Home / 1,728,019.40-2,590,800.30-662,649.80

Finding the Fourth Proportional to 1,728,019.40, 2,590,800.30 and 662,649.80

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Solution

The fourth proportional to 1,728,019.40, 2,590,800.30 and 662,649.80 is: 993,503.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,728,019.40 : 2,590,800.30 = 662,649.80 : x
  2. Step 2: Convert to fraction form
    1,728,019.40/2,590,800.30 = 662,649.80/x
  3. Step 3: Cross multiply
    1,728,019.40x = 2,590,800.30 × 662,649.80
  4. Step 4: Simplify right side
    1,728,019.40x = 1,716,793,300,634.94
  5. Step 5: Solve for x
    x = 1,716,793,300,634.94/1,728,019.40
  6. Step 6: Final answer
    x = 993,503.49

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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.