Home / 1,728,006.40-2,590,780.80-662,636.80

Finding the Fourth Proportional to 1,728,006.40, 2,590,780.80 and 662,636.80

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Solution

The fourth proportional to 1,728,006.40, 2,590,780.80 and 662,636.80 is: 993,483.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,728,006.40 : 2,590,780.80 = 662,636.80 : x
  2. Step 2: Convert to fraction form
    1,728,006.40/2,590,780.80 = 662,636.80/x
  3. Step 3: Cross multiply
    1,728,006.40x = 2,590,780.80 × 662,636.80
  4. Step 4: Simplify right side
    1,728,006.40x = 1,716,746,698,813.44
  5. Step 5: Solve for x
    x = 1,716,746,698,813.44/1,728,006.40
  6. Step 6: Final answer
    x = 993,483.99

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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.