Home / 1,684,950.50-2,325,231.69-921,007.10

Finding the Fourth Proportional to 1,684,950.50, 2,325,231.69 and 921,007.10

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Solution

The fourth proportional to 1,684,950.50, 2,325,231.69 and 921,007.10 is: 1,270,989.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,684,950.50 : 2,325,231.69 = 921,007.10 : x
  2. Step 2: Convert to fraction form
    1,684,950.50/2,325,231.69 = 921,007.10/x
  3. Step 3: Cross multiply
    1,684,950.50x = 2,325,231.69 × 921,007.10
  4. Step 4: Simplify right side
    1,684,950.50x = 2,141,554,895,635.00
  5. Step 5: Solve for x
    x = 2,141,554,895,635.00/1,684,950.50
  6. Step 6: Final answer
    x = 1,270,989.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.