Home / 1,207,384.60-1,811,076.90-906,234.70

Finding the Fourth Proportional to 1,207,384.60, 1,811,076.90 and 906,234.70

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Solution

The fourth proportional to 1,207,384.60, 1,811,076.90 and 906,234.70 is: 1,359,352.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,384.60 : 1,811,076.90 = 906,234.70 : x
  2. Step 2: Convert to fraction form
    1,207,384.60/1,811,076.90 = 906,234.70/x
  3. Step 3: Cross multiply
    1,207,384.60x = 1,811,076.90 × 906,234.70
  4. Step 4: Simplify right side
    1,207,384.60x = 1,641,260,731,148.43
  5. Step 5: Solve for x
    x = 1,641,260,731,148.43/1,207,384.60
  6. Step 6: Final answer
    x = 1,359,352.05

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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.