Home / 1,491,697.80-2,237,546.70-692,713.80

Finding the Fourth Proportional to 1,491,697.80, 2,237,546.70 and 692,713.80

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Solution

The fourth proportional to 1,491,697.80, 2,237,546.70 and 692,713.80 is: 1,039,070.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,491,697.80 : 2,237,546.70 = 692,713.80 : x
  2. Step 2: Convert to fraction form
    1,491,697.80/2,237,546.70 = 692,713.80/x
  3. Step 3: Cross multiply
    1,491,697.80x = 2,237,546.70 × 692,713.80
  4. Step 4: Simplify right side
    1,491,697.80x = 1,549,979,477,234.46
  5. Step 5: Solve for x
    x = 1,549,979,477,234.46/1,491,697.80
  6. Step 6: Final answer
    x = 1,039,070.70

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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.