Home / 1,507,265.04-2,080,025.28-828,245.28

Finding the Fourth Proportional to 1,507,265.04, 2,080,025.28 and 828,245.28

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Solution

The fourth proportional to 1,507,265.04, 2,080,025.28 and 828,245.28 is: 1,142,978.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,507,265.04 : 2,080,025.28 = 828,245.28 : x
  2. Step 2: Convert to fraction form
    1,507,265.04/2,080,025.28 = 828,245.28/x
  3. Step 3: Cross multiply
    1,507,265.04x = 2,080,025.28 × 828,245.28
  4. Step 4: Simplify right side
    1,507,265.04x = 1,722,771,120,440.68
  5. Step 5: Solve for x
    x = 1,722,771,120,440.68/1,507,265.04
  6. Step 6: Final answer
    x = 1,142,978.23

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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.