Home / 1,771,019.76-2,656,719.29-491,632.58

Finding the Fourth Proportional to 1,771,019.76, 2,656,719.29 and 491,632.58

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Solution

The fourth proportional to 1,771,019.76, 2,656,719.29 and 491,632.58 is: 737,501.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,771,019.76 : 2,656,719.29 = 491,632.58 : x
  2. Step 2: Convert to fraction form
    1,771,019.76/2,656,719.29 = 491,632.58/x
  3. Step 3: Cross multiply
    1,771,019.76x = 2,656,719.29 × 491,632.58
  4. Step 4: Simplify right side
    1,771,019.76x = 1,306,129,749,039.87
  5. Step 5: Solve for x
    x = 1,306,129,749,039.87/1,771,019.76
  6. Step 6: Final answer
    x = 737,501.51

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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.