Home / 1,806,518.84-2,492,999.54-990,728.28

Finding the Fourth Proportional to 1,806,518.84, 2,492,999.54 and 990,728.28

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Solution

The fourth proportional to 1,806,518.84, 2,492,999.54 and 990,728.28 is: 1,367,206.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,806,518.84 : 2,492,999.54 = 990,728.28 : x
  2. Step 2: Convert to fraction form
    1,806,518.84/2,492,999.54 = 990,728.28/x
  3. Step 3: Cross multiply
    1,806,518.84x = 2,492,999.54 × 990,728.28
  4. Step 4: Simplify right side
    1,806,518.84x = 2,469,885,146,304.99
  5. Step 5: Solve for x
    x = 2,469,885,146,304.99/1,806,518.84
  6. Step 6: Final answer
    x = 1,367,206.97

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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.