Home / 1,405,926.60-2,108,889.90-340,966.95

Finding the Fourth Proportional to 1,405,926.60, 2,108,889.90 and 340,966.95

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Solution

The fourth proportional to 1,405,926.60, 2,108,889.90 and 340,966.95 is: 511,450.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,926.60 : 2,108,889.90 = 340,966.95 : x
  2. Step 2: Convert to fraction form
    1,405,926.60/2,108,889.90 = 340,966.95/x
  3. Step 3: Cross multiply
    1,405,926.60x = 2,108,889.90 × 340,966.95
  4. Step 4: Simplify right side
    1,405,926.60x = 719,061,757,088.81
  5. Step 5: Solve for x
    x = 719,061,757,088.81/1,405,926.60
  6. Step 6: Final answer
    x = 511,450.43

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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.