Home / 909,830.40-1,362,121.20-804,854.40

Finding the Fourth Proportional to 909,830.40, 1,362,121.20 and 804,854.40

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Solution

The fourth proportional to 909,830.40, 1,362,121.20 and 804,854.40 is: 1,204,960.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,830.40 : 1,362,121.20 = 804,854.40 : x
  2. Step 2: Convert to fraction form
    909,830.40/1,362,121.20 = 804,854.40/x
  3. Step 3: Cross multiply
    909,830.40x = 1,362,121.20 × 804,854.40
  4. Step 4: Simplify right side
    909,830.40x = 1,096,309,241,153.28
  5. Step 5: Solve for x
    x = 1,096,309,241,153.28/909,830.40
  6. Step 6: Final answer
    x = 1,204,960.00

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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.