Home / 1,248,684.86-1,722,999.74-758,399.24

Finding the Fourth Proportional to 1,248,684.86, 1,722,999.74 and 758,399.24

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Solution

The fourth proportional to 1,248,684.86, 1,722,999.74 and 758,399.24 is: 1,046,478.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,684.86 : 1,722,999.74 = 758,399.24 : x
  2. Step 2: Convert to fraction form
    1,248,684.86/1,722,999.74 = 758,399.24/x
  3. Step 3: Cross multiply
    1,248,684.86x = 1,722,999.74 × 758,399.24
  4. Step 4: Simplify right side
    1,248,684.86x = 1,306,721,680,929.20
  5. Step 5: Solve for x
    x = 1,306,721,680,929.20/1,248,684.86
  6. Step 6: Final answer
    x = 1,046,478.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.