Home / 1,272,942.68-1,756,658.76-729,254.48

Finding the Fourth Proportional to 1,272,942.68, 1,756,658.76 and 729,254.48

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Solution

The fourth proportional to 1,272,942.68, 1,756,658.76 and 729,254.48 is: 1,006,369.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,942.68 : 1,756,658.76 = 729,254.48 : x
  2. Step 2: Convert to fraction form
    1,272,942.68/1,756,658.76 = 729,254.48/x
  3. Step 3: Cross multiply
    1,272,942.68x = 1,756,658.76 × 729,254.48
  4. Step 4: Simplify right side
    1,272,942.68x = 1,281,051,270,561.24
  5. Step 5: Solve for x
    x = 1,281,051,270,561.24/1,272,942.68
  6. Step 6: Final answer
    x = 1,006,369.96

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