Home / 1,121,685.18-1,682,736.75-363,459.03

Finding the Fourth Proportional to 1,121,685.18, 1,682,736.75 and 363,459.03

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Solution

The fourth proportional to 1,121,685.18, 1,682,736.75 and 363,459.03 is: 545,256.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,685.18 : 1,682,736.75 = 363,459.03 : x
  2. Step 2: Convert to fraction form
    1,121,685.18/1,682,736.75 = 363,459.03/x
  3. Step 3: Cross multiply
    1,121,685.18x = 1,682,736.75 × 363,459.03
  4. Step 4: Simplify right side
    1,121,685.18x = 611,605,866,900.35
  5. Step 5: Solve for x
    x = 611,605,866,900.35/1,121,685.18
  6. Step 6: Final answer
    x = 545,256.26

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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.