Home / 1,518,067.50-2,275,125.66-618,455.58

Finding the Fourth Proportional to 1,518,067.50, 2,275,125.66 and 618,455.58

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Solution

The fourth proportional to 1,518,067.50, 2,275,125.66 and 618,455.58 is: 926,878.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,518,067.50 : 2,275,125.66 = 618,455.58 : x
  2. Step 2: Convert to fraction form
    1,518,067.50/2,275,125.66 = 618,455.58/x
  3. Step 3: Cross multiply
    1,518,067.50x = 2,275,125.66 × 618,455.58
  4. Step 4: Simplify right side
    1,518,067.50x = 1,407,064,159,628.18
  5. Step 5: Solve for x
    x = 1,407,064,159,628.18/1,518,067.50
  6. Step 6: Final answer
    x = 926,878.52

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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.