Home / 1,210,082.45-1,815,138.25-368,641.49

Finding the Fourth Proportional to 1,210,082.45, 1,815,138.25 and 368,641.49

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Solution

The fourth proportional to 1,210,082.45, 1,815,138.25 and 368,641.49 is: 552,966.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,082.45 : 1,815,138.25 = 368,641.49 : x
  2. Step 2: Convert to fraction form
    1,210,082.45/1,815,138.25 = 368,641.49/x
  3. Step 3: Cross multiply
    1,210,082.45x = 1,815,138.25 × 368,641.49
  4. Step 4: Simplify right side
    1,210,082.45x = 669,135,259,038.70
  5. Step 5: Solve for x
    x = 669,135,259,038.70/1,210,082.45
  6. Step 6: Final answer
    x = 552,966.67

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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.