Home / 1,636,128.52-2,454,304.79-556,201.55

Finding the Fourth Proportional to 1,636,128.52, 2,454,304.79 and 556,201.55

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Solution

The fourth proportional to 1,636,128.52, 2,454,304.79 and 556,201.55 is: 834,340.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,636,128.52 : 2,454,304.79 = 556,201.55 : x
  2. Step 2: Convert to fraction form
    1,636,128.52/2,454,304.79 = 556,201.55/x
  3. Step 3: Cross multiply
    1,636,128.52x = 2,454,304.79 × 556,201.55
  4. Step 4: Simplify right side
    1,636,128.52x = 1,365,088,135,896.69
  5. Step 5: Solve for x
    x = 1,365,088,135,896.69/1,636,128.52
  6. Step 6: Final answer
    x = 834,340.41

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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.