Home / 1,366,314.40-2,049,471.60-918,416.80

Finding the Fourth Proportional to 1,366,314.40, 2,049,471.60 and 918,416.80

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Solution

The fourth proportional to 1,366,314.40, 2,049,471.60 and 918,416.80 is: 1,377,625.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,366,314.40 : 2,049,471.60 = 918,416.80 : x
  2. Step 2: Convert to fraction form
    1,366,314.40/2,049,471.60 = 918,416.80/x
  3. Step 3: Cross multiply
    1,366,314.40x = 2,049,471.60 × 918,416.80
  4. Step 4: Simplify right side
    1,366,314.40x = 1,882,269,148,562.88
  5. Step 5: Solve for x
    x = 1,882,269,148,562.88/1,366,314.40
  6. Step 6: Final answer
    x = 1,377,625.20

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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.