Home / 1,457,496.86-2,011,348.46-812,958.80

Finding the Fourth Proportional to 1,457,496.86, 2,011,348.46 and 812,958.80

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Solution

The fourth proportional to 1,457,496.86, 2,011,348.46 and 812,958.80 is: 1,121,884.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,457,496.86 : 2,011,348.46 = 812,958.80 : x
  2. Step 2: Convert to fraction form
    1,457,496.86/2,011,348.46 = 812,958.80/x
  3. Step 3: Cross multiply
    1,457,496.86x = 2,011,348.46 × 812,958.80
  4. Step 4: Simplify right side
    1,457,496.86x = 1,635,143,422,399.10
  5. Step 5: Solve for x
    x = 1,635,143,422,399.10/1,457,496.86
  6. Step 6: Final answer
    x = 1,121,884.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.