Home / 1,294,810.20-1,942,215.30-846,912.60

Finding the Fourth Proportional to 1,294,810.20, 1,942,215.30 and 846,912.60

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Solution

The fourth proportional to 1,294,810.20, 1,942,215.30 and 846,912.60 is: 1,270,368.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,810.20 : 1,942,215.30 = 846,912.60 : x
  2. Step 2: Convert to fraction form
    1,294,810.20/1,942,215.30 = 846,912.60/x
  3. Step 3: Cross multiply
    1,294,810.20x = 1,942,215.30 × 846,912.60
  4. Step 4: Simplify right side
    1,294,810.20x = 1,644,886,609,482.78
  5. Step 5: Solve for x
    x = 1,644,886,609,482.78/1,294,810.20
  6. Step 6: Final answer
    x = 1,270,368.90

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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.