Home / 1,361,988-2,042,227.08-631,714.68

Finding the Fourth Proportional to 1,361,988, 2,042,227.08 and 631,714.68

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Solution

The fourth proportional to 1,361,988, 2,042,227.08 and 631,714.68 is: 947,221.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,361,988 : 2,042,227.08 = 631,714.68 : x
  2. Step 2: Convert to fraction form
    1,361,988/2,042,227.08 = 631,714.68/x
  3. Step 3: Cross multiply
    1,361,988x = 2,042,227.08 × 631,714.68
  4. Step 4: Simplify right side
    1,361,988x = 1,290,104,826,329.53
  5. Step 5: Solve for x
    x = 1,290,104,826,329.53/1,361,988
  6. Step 6: Final answer
    x = 947,221.87

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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.