Home / 773,103.80-1,159,655.70-720,615.80

Finding the Fourth Proportional to 773,103.80, 1,159,655.70 and 720,615.80

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Solution

The fourth proportional to 773,103.80, 1,159,655.70 and 720,615.80 is: 1,080,923.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,103.80 : 1,159,655.70 = 720,615.80 : x
  2. Step 2: Convert to fraction form
    773,103.80/1,159,655.70 = 720,615.80/x
  3. Step 3: Cross multiply
    773,103.80x = 1,159,655.70 × 720,615.80
  4. Step 4: Simplify right side
    773,103.80x = 835,666,219,980.06
  5. Step 5: Solve for x
    x = 835,666,219,980.06/773,103.80
  6. Step 6: Final answer
    x = 1,080,923.70

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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.