Home / 1,295,431.20-1,941,721.20-453,549.60

Finding the Fourth Proportional to 1,295,431.20, 1,941,721.20 and 453,549.60

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Solution

The fourth proportional to 1,295,431.20, 1,941,721.20 and 453,549.60 is: 679,825.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295,431.20 : 1,941,721.20 = 453,549.60 : x
  2. Step 2: Convert to fraction form
    1,295,431.20/1,941,721.20 = 453,549.60/x
  3. Step 3: Cross multiply
    1,295,431.20x = 1,941,721.20 × 453,549.60
  4. Step 4: Simplify right side
    1,295,431.20x = 880,666,873,571.52
  5. Step 5: Solve for x
    x = 880,666,873,571.52/1,295,431.20
  6. Step 6: Final answer
    x = 679,825.28

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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.