Home / 1,270,508.76-1,905,358.56-417,382.38

Finding the Fourth Proportional to 1,270,508.76, 1,905,358.56 and 417,382.38

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Solution

The fourth proportional to 1,270,508.76, 1,905,358.56 and 417,382.38 is: 625,940.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270,508.76 : 1,905,358.56 = 417,382.38 : x
  2. Step 2: Convert to fraction form
    1,270,508.76/1,905,358.56 = 417,382.38/x
  3. Step 3: Cross multiply
    1,270,508.76x = 1,905,358.56 × 417,382.38
  4. Step 4: Simplify right side
    1,270,508.76x = 795,263,090,526.17
  5. Step 5: Solve for x
    x = 795,263,090,526.17/1,270,508.76
  6. Step 6: Final answer
    x = 625,940.66

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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.