Home / 989,842.20-1,484,763.30-741,010.20

Finding the Fourth Proportional to 989,842.20, 1,484,763.30 and 741,010.20

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Solution

The fourth proportional to 989,842.20, 1,484,763.30 and 741,010.20 is: 1,111,515.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,842.20 : 1,484,763.30 = 741,010.20 : x
  2. Step 2: Convert to fraction form
    989,842.20/1,484,763.30 = 741,010.20/x
  3. Step 3: Cross multiply
    989,842.20x = 1,484,763.30 × 741,010.20
  4. Step 4: Simplify right side
    989,842.20x = 1,100,224,749,885.66
  5. Step 5: Solve for x
    x = 1,100,224,749,885.66/989,842.20
  6. Step 6: Final answer
    x = 1,111,515.30

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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.