Home / 1,298,197.08-1,945,555.01-1,010,356.31

Finding the Fourth Proportional to 1,298,197.08, 1,945,555.01 and 1,010,356.31

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Solution

The fourth proportional to 1,298,197.08, 1,945,555.01 and 1,010,356.31 is: 1,514,179.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,197.08 : 1,945,555.01 = 1,010,356.31 : x
  2. Step 2: Convert to fraction form
    1,298,197.08/1,945,555.01 = 1,010,356.31/x
  3. Step 3: Cross multiply
    1,298,197.08x = 1,945,555.01 × 1,010,356.31
  4. Step 4: Simplify right side
    1,298,197.08x = 1,965,703,766,026.06
  5. Step 5: Solve for x
    x = 1,965,703,766,026.06/1,298,197.08
  6. Step 6: Final answer
    x = 1,514,179.78

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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.