Home / 769,730.40-1,154,595.60-756,608.40

Finding the Fourth Proportional to 769,730.40, 1,154,595.60 and 756,608.40

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Solution

The fourth proportional to 769,730.40, 1,154,595.60 and 756,608.40 is: 1,134,912.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,730.40 : 1,154,595.60 = 756,608.40 : x
  2. Step 2: Convert to fraction form
    769,730.40/1,154,595.60 = 756,608.40/x
  3. Step 3: Cross multiply
    769,730.40x = 1,154,595.60 × 756,608.40
  4. Step 4: Simplify right side
    769,730.40x = 873,576,729,563.04
  5. Step 5: Solve for x
    x = 873,576,729,563.04/769,730.40
  6. Step 6: Final answer
    x = 1,134,912.60

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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.