Home / 1,079,962.60-1,619,943.90-520,090.60

Finding the Fourth Proportional to 1,079,962.60, 1,619,943.90 and 520,090.60

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Solution

The fourth proportional to 1,079,962.60, 1,619,943.90 and 520,090.60 is: 780,135.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,962.60 : 1,619,943.90 = 520,090.60 : x
  2. Step 2: Convert to fraction form
    1,079,962.60/1,619,943.90 = 520,090.60/x
  3. Step 3: Cross multiply
    1,079,962.60x = 1,619,943.90 × 520,090.60
  4. Step 4: Simplify right side
    1,079,962.60x = 842,517,594,917.34
  5. Step 5: Solve for x
    x = 842,517,594,917.34/1,079,962.60
  6. Step 6: Final answer
    x = 780,135.90

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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.