Home / 1,275,473.40-1,913,320.24-328,836.12

Finding the Fourth Proportional to 1,275,473.40, 1,913,320.24 and 328,836.12

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Solution

The fourth proportional to 1,275,473.40, 1,913,320.24 and 328,836.12 is: 493,282.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,473.40 : 1,913,320.24 = 328,836.12 : x
  2. Step 2: Convert to fraction form
    1,275,473.40/1,913,320.24 = 328,836.12/x
  3. Step 3: Cross multiply
    1,275,473.40x = 1,913,320.24 × 328,836.12
  4. Step 4: Simplify right side
    1,275,473.40x = 629,168,804,039.07
  5. Step 5: Solve for x
    x = 629,168,804,039.07/1,275,473.40
  6. Step 6: Final answer
    x = 493,282.58

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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.