Home / 780,102.40-1,167,820.80-733,964.80

Finding the Fourth Proportional to 780,102.40, 1,167,820.80 and 733,964.80

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Solution

The fourth proportional to 780,102.40, 1,167,820.80 and 733,964.80 is: 1,098,752.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,102.40 : 1,167,820.80 = 733,964.80 : x
  2. Step 2: Convert to fraction form
    780,102.40/1,167,820.80 = 733,964.80/x
  3. Step 3: Cross multiply
    780,102.40x = 1,167,820.80 × 733,964.80
  4. Step 4: Simplify right side
    780,102.40x = 857,139,359,907.84
  5. Step 5: Solve for x
    x = 857,139,359,907.84/780,102.40
  6. Step 6: Final answer
    x = 1,098,752.37

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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.