Home / 1,299,082.80-1,948,931.40-412,618.80

Finding the Fourth Proportional to 1,299,082.80, 1,948,931.40 and 412,618.80

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Solution

The fourth proportional to 1,299,082.80, 1,948,931.40 and 412,618.80 is: 619,025.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,082.80 : 1,948,931.40 = 412,618.80 : x
  2. Step 2: Convert to fraction form
    1,299,082.80/1,948,931.40 = 412,618.80/x
  3. Step 3: Cross multiply
    1,299,082.80x = 1,948,931.40 × 412,618.80
  4. Step 4: Simplify right side
    1,299,082.80x = 804,165,735,550.32
  5. Step 5: Solve for x
    x = 804,165,735,550.32/1,299,082.80
  6. Step 6: Final answer
    x = 619,025.77

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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.