Home / 1,405,630.41-2,108,445.63-340,672.46

Finding the Fourth Proportional to 1,405,630.41, 2,108,445.63 and 340,672.46

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Solution

The fourth proportional to 1,405,630.41, 2,108,445.63 and 340,672.46 is: 511,008.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,630.41 : 2,108,445.63 = 340,672.46 : x
  2. Step 2: Convert to fraction form
    1,405,630.41/2,108,445.63 = 340,672.46/x
  3. Step 3: Cross multiply
    1,405,630.41x = 2,108,445.63 × 340,672.46
  4. Step 4: Simplify right side
    1,405,630.41x = 718,289,364,819.46
  5. Step 5: Solve for x
    x = 718,289,364,819.46/1,405,630.41
  6. Step 6: Final answer
    x = 511,008.70

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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.