Home / 1,306,495.20-1,959,741.88-408,013.94

Finding the Fourth Proportional to 1,306,495.20, 1,959,741.88 and 408,013.94

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Solution

The fourth proportional to 1,306,495.20, 1,959,741.88 and 408,013.94 is: 612,020.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,306,495.20 : 1,959,741.88 = 408,013.94 : x
  2. Step 2: Convert to fraction form
    1,306,495.20/1,959,741.88 = 408,013.94/x
  3. Step 3: Cross multiply
    1,306,495.20x = 1,959,741.88 × 408,013.94
  4. Step 4: Simplify right side
    1,306,495.20x = 799,602,005,841.81
  5. Step 5: Solve for x
    x = 799,602,005,841.81/1,306,495.20
  6. Step 6: Final answer
    x = 612,020.62

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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.