Home / 1,072,940.56-1,609,345.68-380,541.83

Finding the Fourth Proportional to 1,072,940.56, 1,609,345.68 and 380,541.83

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Solution

The fourth proportional to 1,072,940.56, 1,609,345.68 and 380,541.83 is: 570,789.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072,940.56 : 1,609,345.68 = 380,541.83 : x
  2. Step 2: Convert to fraction form
    1,072,940.56/1,609,345.68 = 380,541.83/x
  3. Step 3: Cross multiply
    1,072,940.56x = 1,609,345.68 × 380,541.83
  4. Step 4: Simplify right side
    1,072,940.56x = 612,423,350,283.76
  5. Step 5: Solve for x
    x = 612,423,350,283.76/1,072,940.56
  6. Step 6: Final answer
    x = 570,789.63

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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.