Home / 1,309,429.82-1,964,227.75-410,907.02

Finding the Fourth Proportional to 1,309,429.82, 1,964,227.75 and 410,907.02

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Solution

The fourth proportional to 1,309,429.82, 1,964,227.75 and 410,907.02 is: 616,386.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,429.82 : 1,964,227.75 = 410,907.02 : x
  2. Step 2: Convert to fraction form
    1,309,429.82/1,964,227.75 = 410,907.02/x
  3. Step 3: Cross multiply
    1,309,429.82x = 1,964,227.75 × 410,907.02
  4. Step 4: Simplify right side
    1,309,429.82x = 807,114,977,291.64
  5. Step 5: Solve for x
    x = 807,114,977,291.64/1,309,429.82
  6. Step 6: Final answer
    x = 616,386.59

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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.