Home / 1,204,620.60-1,806,930.90-921,185.40

Finding the Fourth Proportional to 1,204,620.60, 1,806,930.90 and 921,185.40

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Solution

The fourth proportional to 1,204,620.60, 1,806,930.90 and 921,185.40 is: 1,381,778.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,204,620.60 : 1,806,930.90 = 921,185.40 : x
  2. Step 2: Convert to fraction form
    1,204,620.60/1,806,930.90 = 921,185.40/x
  3. Step 3: Cross multiply
    1,204,620.60x = 1,806,930.90 × 921,185.40
  4. Step 4: Simplify right side
    1,204,620.60x = 1,664,518,363,888.86
  5. Step 5: Solve for x
    x = 1,664,518,363,888.86/1,204,620.60
  6. Step 6: Final answer
    x = 1,381,778.10

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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.