Home / 1,314,346.80-1,971,520.20-1,234,630.65

Finding the Fourth Proportional to 1,314,346.80, 1,971,520.20 and 1,234,630.65

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Solution

The fourth proportional to 1,314,346.80, 1,971,520.20 and 1,234,630.65 is: 1,851,945.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,346.80 : 1,971,520.20 = 1,234,630.65 : x
  2. Step 2: Convert to fraction form
    1,314,346.80/1,971,520.20 = 1,234,630.65/x
  3. Step 3: Cross multiply
    1,314,346.80x = 1,971,520.20 × 1,234,630.65
  4. Step 4: Simplify right side
    1,314,346.80x = 2,434,099,266,014.13
  5. Step 5: Solve for x
    x = 2,434,099,266,014.13/1,314,346.80
  6. Step 6: Final answer
    x = 1,851,945.98

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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.