Home / 1,210,234.20-1,811,414.70-942,545.40

Finding the Fourth Proportional to 1,210,234.20, 1,811,414.70 and 942,545.40

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Solution

The fourth proportional to 1,210,234.20, 1,811,414.70 and 942,545.40 is: 1,410,752.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,234.20 : 1,811,414.70 = 942,545.40 : x
  2. Step 2: Convert to fraction form
    1,210,234.20/1,811,414.70 = 942,545.40/x
  3. Step 3: Cross multiply
    1,210,234.20x = 1,811,414.70 × 942,545.40
  4. Step 4: Simplify right side
    1,210,234.20x = 1,707,340,592,977.38
  5. Step 5: Solve for x
    x = 1,707,340,592,977.38/1,210,234.20
  6. Step 6: Final answer
    x = 1,410,752.23

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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.