Home / 1,265,421.69-1,898,330.52-412,295.34

Finding the Fourth Proportional to 1,265,421.69, 1,898,330.52 and 412,295.34

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Solution

The fourth proportional to 1,265,421.69, 1,898,330.52 and 412,295.34 is: 618,507.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265,421.69 : 1,898,330.52 = 412,295.34 : x
  2. Step 2: Convert to fraction form
    1,265,421.69/1,898,330.52 = 412,295.34/x
  3. Step 3: Cross multiply
    1,265,421.69x = 1,898,330.52 × 412,295.34
  4. Step 4: Simplify right side
    1,265,421.69x = 782,672,827,175.78
  5. Step 5: Solve for x
    x = 782,672,827,175.78/1,265,421.69
  6. Step 6: Final answer
    x = 618,507.52

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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.