Home / 1,306,685.80-1,960,276.56-453,724.24

Finding the Fourth Proportional to 1,306,685.80, 1,960,276.56 and 453,724.24

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Solution

The fourth proportional to 1,306,685.80, 1,960,276.56 and 453,724.24 is: 680,672.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,306,685.80 : 1,960,276.56 = 453,724.24 : x
  2. Step 2: Convert to fraction form
    1,306,685.80/1,960,276.56 = 453,724.24/x
  3. Step 3: Cross multiply
    1,306,685.80x = 1,960,276.56 × 453,724.24
  4. Step 4: Simplify right side
    1,306,685.80x = 889,424,992,375.82
  5. Step 5: Solve for x
    x = 889,424,992,375.82/1,306,685.80
  6. Step 6: Final answer
    x = 680,672.43

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1.5x scale

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.