Home / 1,265,724.69-1,898,702.40-412,577.36

Finding the Fourth Proportional to 1,265,724.69, 1,898,702.40 and 412,577.36

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Solution

The fourth proportional to 1,265,724.69, 1,898,702.40 and 412,577.36 is: 618,903.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265,724.69 : 1,898,702.40 = 412,577.36 : x
  2. Step 2: Convert to fraction form
    1,265,724.69/1,898,702.40 = 412,577.36/x
  3. Step 3: Cross multiply
    1,265,724.69x = 1,898,702.40 × 412,577.36
  4. Step 4: Simplify right side
    1,265,724.69x = 783,361,614,124.15
  5. Step 5: Solve for x
    x = 783,361,614,124.15/1,265,724.69
  6. Step 6: Final answer
    x = 618,903.64

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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.