Home / 773,115.80-1,159,673.70-720,627.80

Finding the Fourth Proportional to 773,115.80, 1,159,673.70 and 720,627.80

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Solution

The fourth proportional to 773,115.80, 1,159,673.70 and 720,627.80 is: 1,080,941.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,115.80 : 1,159,673.70 = 720,627.80 : x
  2. Step 2: Convert to fraction form
    773,115.80/1,159,673.70 = 720,627.80/x
  3. Step 3: Cross multiply
    773,115.80x = 1,159,673.70 × 720,627.80
  4. Step 4: Simplify right side
    773,115.80x = 835,693,107,148.86
  5. Step 5: Solve for x
    x = 835,693,107,148.86/773,115.80
  6. Step 6: Final answer
    x = 1,080,941.70

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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.