Home / 827,204.40-1,240,806.60-743,223.60

Finding the Fourth Proportional to 827,204.40, 1,240,806.60 and 743,223.60

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Solution

The fourth proportional to 827,204.40, 1,240,806.60 and 743,223.60 is: 1,114,835.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,204.40 : 1,240,806.60 = 743,223.60 : x
  2. Step 2: Convert to fraction form
    827,204.40/1,240,806.60 = 743,223.60/x
  3. Step 3: Cross multiply
    827,204.40x = 1,240,806.60 × 743,223.60
  4. Step 4: Simplify right side
    827,204.40x = 922,196,748,155.76
  5. Step 5: Solve for x
    x = 922,196,748,155.76/827,204.40
  6. Step 6: Final answer
    x = 1,114,835.40

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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.