Home / 1,265,465.27-1,898,395.87-412,338.89

Finding the Fourth Proportional to 1,265,465.27, 1,898,395.87 and 412,338.89

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Solution

The fourth proportional to 1,265,465.27, 1,898,395.87 and 412,338.89 is: 618,572.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265,465.27 : 1,898,395.87 = 412,338.89 : x
  2. Step 2: Convert to fraction form
    1,265,465.27/1,898,395.87 = 412,338.89/x
  3. Step 3: Cross multiply
    1,265,465.27x = 1,898,395.87 × 412,338.89
  4. Step 4: Simplify right side
    1,265,465.27x = 782,782,445,816.38
  5. Step 5: Solve for x
    x = 782,782,445,816.38/1,265,465.27
  6. Step 6: Final answer
    x = 618,572.84

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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.