Home / 1,046,871.12-1,570,273.20-439,980.96

Finding the Fourth Proportional to 1,046,871.12, 1,570,273.20 and 439,980.96

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Solution

The fourth proportional to 1,046,871.12, 1,570,273.20 and 439,980.96 is: 659,957.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,046,871.12 : 1,570,273.20 = 439,980.96 : x
  2. Step 2: Convert to fraction form
    1,046,871.12/1,570,273.20 = 439,980.96/x
  3. Step 3: Cross multiply
    1,046,871.12x = 1,570,273.20 × 439,980.96
  4. Step 4: Simplify right side
    1,046,871.12x = 690,890,309,998.27
  5. Step 5: Solve for x
    x = 690,890,309,998.27/1,046,871.12
  6. Step 6: Final answer
    x = 659,957.37

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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.