Home / 1,199,526.72-1,799,383.02-400,811.05

Finding the Fourth Proportional to 1,199,526.72, 1,799,383.02 and 400,811.05

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Solution

The fourth proportional to 1,199,526.72, 1,799,383.02 and 400,811.05 is: 601,247.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,199,526.72 : 1,799,383.02 = 400,811.05 : x
  2. Step 2: Convert to fraction form
    1,199,526.72/1,799,383.02 = 400,811.05/x
  3. Step 3: Cross multiply
    1,199,526.72x = 1,799,383.02 × 400,811.05
  4. Step 4: Simplify right side
    1,199,526.72x = 721,212,597,598.37
  5. Step 5: Solve for x
    x = 721,212,597,598.37/1,199,526.72
  6. Step 6: Final answer
    x = 601,247.63

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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.