Home / 819,362.40-1,229,043.60-735,381.60

Finding the Fourth Proportional to 819,362.40, 1,229,043.60 and 735,381.60

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Solution

The fourth proportional to 819,362.40, 1,229,043.60 and 735,381.60 is: 1,103,072.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,362.40 : 1,229,043.60 = 735,381.60 : x
  2. Step 2: Convert to fraction form
    819,362.40/1,229,043.60 = 735,381.60/x
  3. Step 3: Cross multiply
    819,362.40x = 1,229,043.60 × 735,381.60
  4. Step 4: Simplify right side
    819,362.40x = 903,816,049,037.76
  5. Step 5: Solve for x
    x = 903,816,049,037.76/819,362.40
  6. Step 6: Final answer
    x = 1,103,072.40

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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.