Home / 1,038,194.19-1,557,281.88-328,222.44

Finding the Fourth Proportional to 1,038,194.19, 1,557,281.88 and 328,222.44

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Solution

The fourth proportional to 1,038,194.19, 1,557,281.88 and 328,222.44 is: 492,330.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,194.19 : 1,557,281.88 = 328,222.44 : x
  2. Step 2: Convert to fraction form
    1,038,194.19/1,557,281.88 = 328,222.44/x
  3. Step 3: Cross multiply
    1,038,194.19x = 1,557,281.88 × 328,222.44
  4. Step 4: Simplify right side
    1,038,194.19x = 511,134,858,421.39
  5. Step 5: Solve for x
    x = 511,134,858,421.39/1,038,194.19
  6. Step 6: Final answer
    x = 492,330.69

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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.