Home / 1,211,029.20-1,814,988.60-737,211.60

Finding the Fourth Proportional to 1,211,029.20, 1,814,988.60 and 737,211.60

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Solution

The fourth proportional to 1,211,029.20, 1,814,988.60 and 737,211.60 is: 1,104,870.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,029.20 : 1,814,988.60 = 737,211.60 : x
  2. Step 2: Convert to fraction form
    1,211,029.20/1,814,988.60 = 737,211.60/x
  3. Step 3: Cross multiply
    1,211,029.20x = 1,814,988.60 × 737,211.60
  4. Step 4: Simplify right side
    1,211,029.20x = 1,338,030,649,787.76
  5. Step 5: Solve for x
    x = 1,338,030,649,787.76/1,211,029.20
  6. Step 6: Final answer
    x = 1,104,870.68

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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.