Home / 880,842.80-1,321,264.20-743,985.20

Finding the Fourth Proportional to 880,842.80, 1,321,264.20 and 743,985.20

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Solution

The fourth proportional to 880,842.80, 1,321,264.20 and 743,985.20 is: 1,115,977.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,842.80 : 1,321,264.20 = 743,985.20 : x
  2. Step 2: Convert to fraction form
    880,842.80/1,321,264.20 = 743,985.20/x
  3. Step 3: Cross multiply
    880,842.80x = 1,321,264.20 × 743,985.20
  4. Step 4: Simplify right side
    880,842.80x = 983,001,010,089.84
  5. Step 5: Solve for x
    x = 983,001,010,089.84/880,842.80
  6. Step 6: Final answer
    x = 1,115,977.80

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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.