Home / 1,079,059.40-1,619,237.10-447,907.40

Finding the Fourth Proportional to 1,079,059.40, 1,619,237.10 and 447,907.40

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Solution

The fourth proportional to 1,079,059.40, 1,619,237.10 and 447,907.40 is: 672,130.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,059.40 : 1,619,237.10 = 447,907.40 : x
  2. Step 2: Convert to fraction form
    1,079,059.40/1,619,237.10 = 447,907.40/x
  3. Step 3: Cross multiply
    1,079,059.40x = 1,619,237.10 × 447,907.40
  4. Step 4: Simplify right side
    1,079,059.40x = 725,268,279,444.54
  5. Step 5: Solve for x
    x = 725,268,279,444.54/1,079,059.40
  6. Step 6: Final answer
    x = 672,130.08

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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.