Home / 1,287,604.80-1,931,407.44-341,049.60

Finding the Fourth Proportional to 1,287,604.80, 1,931,407.44 and 341,049.60

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Solution

The fourth proportional to 1,287,604.80, 1,931,407.44 and 341,049.60 is: 511,574.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,287,604.80 : 1,931,407.44 = 341,049.60 : x
  2. Step 2: Convert to fraction form
    1,287,604.80/1,931,407.44 = 341,049.60/x
  3. Step 3: Cross multiply
    1,287,604.80x = 1,931,407.44 × 341,049.60
  4. Step 4: Simplify right side
    1,287,604.80x = 658,705,734,849.02
  5. Step 5: Solve for x
    x = 658,705,734,849.02/1,287,604.80
  6. Step 6: Final answer
    x = 511,574.46

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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.