Home / 773,116.80-1,159,675.20-720,628.80

Finding the Fourth Proportional to 773,116.80, 1,159,675.20 and 720,628.80

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Solution

The fourth proportional to 773,116.80, 1,159,675.20 and 720,628.80 is: 1,080,943.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,116.80 : 1,159,675.20 = 720,628.80 : x
  2. Step 2: Convert to fraction form
    773,116.80/1,159,675.20 = 720,628.80/x
  3. Step 3: Cross multiply
    773,116.80x = 1,159,675.20 × 720,628.80
  4. Step 4: Simplify right side
    773,116.80x = 835,695,347,765.76
  5. Step 5: Solve for x
    x = 835,695,347,765.76/773,116.80
  6. Step 6: Final answer
    x = 1,080,943.20

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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.