Home / 869,082.40-1,303,623.60-785,101.60

Finding the Fourth Proportional to 869,082.40, 1,303,623.60 and 785,101.60

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Solution

The fourth proportional to 869,082.40, 1,303,623.60 and 785,101.60 is: 1,177,652.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,082.40 : 1,303,623.60 = 785,101.60 : x
  2. Step 2: Convert to fraction form
    869,082.40/1,303,623.60 = 785,101.60/x
  3. Step 3: Cross multiply
    869,082.40x = 1,303,623.60 × 785,101.60
  4. Step 4: Simplify right side
    869,082.40x = 1,023,476,974,157.76
  5. Step 5: Solve for x
    x = 1,023,476,974,157.76/869,082.40
  6. Step 6: Final answer
    x = 1,177,652.40

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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.