Home / 1,229,364.39-1,843,647.50-408,482.55

Finding the Fourth Proportional to 1,229,364.39, 1,843,647.50 and 408,482.55

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Solution

The fourth proportional to 1,229,364.39, 1,843,647.50 and 408,482.55 is: 612,591.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,364.39 : 1,843,647.50 = 408,482.55 : x
  2. Step 2: Convert to fraction form
    1,229,364.39/1,843,647.50 = 408,482.55/x
  3. Step 3: Cross multiply
    1,229,364.39x = 1,843,647.50 × 408,482.55
  4. Step 4: Simplify right side
    1,229,364.39x = 753,097,832,101.13
  5. Step 5: Solve for x
    x = 753,097,832,101.13/1,229,364.39
  6. Step 6: Final answer
    x = 612,591.22

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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.