Home / 1,246,909.41-1,866,985.74-646,611.73

Finding the Fourth Proportional to 1,246,909.41, 1,866,985.74 and 646,611.73

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Solution

The fourth proportional to 1,246,909.41, 1,866,985.74 and 646,611.73 is: 968,165.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,246,909.41 : 1,866,985.74 = 646,611.73 : x
  2. Step 2: Convert to fraction form
    1,246,909.41/1,866,985.74 = 646,611.73/x
  3. Step 3: Cross multiply
    1,246,909.41x = 1,866,985.74 × 646,611.73
  4. Step 4: Simplify right side
    1,246,909.41x = 1,207,214,874,559.27
  5. Step 5: Solve for x
    x = 1,207,214,874,559.27/1,246,909.41
  6. Step 6: Final answer
    x = 968,165.66

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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.