Home / 1,410,020.10-2,115,030.15-812,823.30

Finding the Fourth Proportional to 1,410,020.10, 2,115,030.15 and 812,823.30

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Solution

The fourth proportional to 1,410,020.10, 2,115,030.15 and 812,823.30 is: 1,219,234.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,410,020.10 : 2,115,030.15 = 812,823.30 : x
  2. Step 2: Convert to fraction form
    1,410,020.10/2,115,030.15 = 812,823.30/x
  3. Step 3: Cross multiply
    1,410,020.10x = 2,115,030.15 × 812,823.30
  4. Step 4: Simplify right side
    1,410,020.10x = 1,719,145,786,122.50
  5. Step 5: Solve for x
    x = 1,719,145,786,122.50/1,410,020.10
  6. Step 6: Final answer
    x = 1,219,234.95

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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.