Home / 1,016,807.13-1,525,219.45-258,649.32

Finding the Fourth Proportional to 1,016,807.13, 1,525,219.45 and 258,649.32

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Solution

The fourth proportional to 1,016,807.13, 1,525,219.45 and 258,649.32 is: 387,976.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,016,807.13 : 1,525,219.45 = 258,649.32 : x
  2. Step 2: Convert to fraction form
    1,016,807.13/1,525,219.45 = 258,649.32/x
  3. Step 3: Cross multiply
    1,016,807.13x = 1,525,219.45 × 258,649.32
  4. Step 4: Simplify right side
    1,016,807.13x = 394,496,981,028.08
  5. Step 5: Solve for x
    x = 394,496,981,028.08/1,016,807.13
  6. Step 6: Final answer
    x = 387,976.21

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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.