Home / 1,210,625.10-1,815,932.79-369,174.42

Finding the Fourth Proportional to 1,210,625.10, 1,815,932.79 and 369,174.42

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Solution

The fourth proportional to 1,210,625.10, 1,815,932.79 and 369,174.42 is: 553,760.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,625.10 : 1,815,932.79 = 369,174.42 : x
  2. Step 2: Convert to fraction form
    1,210,625.10/1,815,932.79 = 369,174.42/x
  3. Step 3: Cross multiply
    1,210,625.10x = 1,815,932.79 × 369,174.42
  4. Step 4: Simplify right side
    1,210,625.10x = 670,395,934,507.23
  5. Step 5: Solve for x
    x = 670,395,934,507.23/1,210,625.10
  6. Step 6: Final answer
    x = 553,760.15

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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.