Home / 1,298,316.26-1,791,369.38-754,128.69

Finding the Fourth Proportional to 1,298,316.26, 1,791,369.38 and 754,128.69

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Solution

The fourth proportional to 1,298,316.26, 1,791,369.38 and 754,128.69 is: 1,040,519.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,316.26 : 1,791,369.38 = 754,128.69 : x
  2. Step 2: Convert to fraction form
    1,298,316.26/1,791,369.38 = 754,128.69/x
  3. Step 3: Cross multiply
    1,298,316.26x = 1,791,369.38 × 754,128.69
  4. Step 4: Simplify right side
    1,298,316.26x = 1,350,923,045,730.83
  5. Step 5: Solve for x
    x = 1,350,923,045,730.83/1,298,316.26
  6. Step 6: Final answer
    x = 1,040,519.24

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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.