Home / 1,159,168.30-1,598,182.28-828,419.48

Finding the Fourth Proportional to 1,159,168.30, 1,598,182.28 and 828,419.48

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Solution

The fourth proportional to 1,159,168.30, 1,598,182.28 and 828,419.48 is: 1,142,168.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,159,168.30 : 1,598,182.28 = 828,419.48 : x
  2. Step 2: Convert to fraction form
    1,159,168.30/1,598,182.28 = 828,419.48/x
  3. Step 3: Cross multiply
    1,159,168.30x = 1,598,182.28 × 828,419.48
  4. Step 4: Simplify right side
    1,159,168.30x = 1,323,965,321,209.81
  5. Step 5: Solve for x
    x = 1,323,965,321,209.81/1,159,168.30
  6. Step 6: Final answer
    x = 1,142,168.33

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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.