Home / 1,159,170.30-1,598,185.04-828,421.48

Finding the Fourth Proportional to 1,159,170.30, 1,598,185.04 and 828,421.48

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Solution

The fourth proportional to 1,159,170.30, 1,598,185.04 and 828,421.48 is: 1,142,171.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,159,170.30 : 1,598,185.04 = 828,421.48 : x
  2. Step 2: Convert to fraction form
    1,159,170.30/1,598,185.04 = 828,421.48/x
  3. Step 3: Cross multiply
    1,159,170.30x = 1,598,185.04 × 828,421.48
  4. Step 4: Simplify right side
    1,159,170.30x = 1,323,970,816,150.66
  5. Step 5: Solve for x
    x = 1,323,970,816,150.66/1,159,170.30
  6. Step 6: Final answer
    x = 1,142,171.10

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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.