Home / 1,185,977.52-1,779,249.60-387,260.64

Finding the Fourth Proportional to 1,185,977.52, 1,779,249.60 and 387,260.64

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Solution

The fourth proportional to 1,185,977.52, 1,779,249.60 and 387,260.64 is: 580,983.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,977.52 : 1,779,249.60 = 387,260.64 : x
  2. Step 2: Convert to fraction form
    1,185,977.52/1,779,249.60 = 387,260.64/x
  3. Step 3: Cross multiply
    1,185,977.52x = 1,779,249.60 × 387,260.64
  4. Step 4: Simplify right side
    1,185,977.52x = 689,033,338,815.74
  5. Step 5: Solve for x
    x = 689,033,338,815.74/1,185,977.52
  6. Step 6: Final answer
    x = 580,983.47

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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.