Home / 1,361,411.52-2,042,421.84-414,856.32

Finding the Fourth Proportional to 1,361,411.52, 2,042,421.84 and 414,856.32

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Solution

The fourth proportional to 1,361,411.52, 2,042,421.84 and 414,856.32 is: 622,377.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,361,411.52 : 2,042,421.84 = 414,856.32 : x
  2. Step 2: Convert to fraction form
    1,361,411.52/2,042,421.84 = 414,856.32/x
  3. Step 3: Cross multiply
    1,361,411.52x = 2,042,421.84 × 414,856.32
  4. Step 4: Simplify right side
    1,361,411.52x = 847,311,608,430.03
  5. Step 5: Solve for x
    x = 847,311,608,430.03/1,361,411.52
  6. Step 6: Final answer
    x = 622,377.29

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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.