Home / 1,641,425.46-2,265,108.03-1,029,907.86

Finding the Fourth Proportional to 1,641,425.46, 2,265,108.03 and 1,029,907.86

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Solution

The fourth proportional to 1,641,425.46, 2,265,108.03 and 1,029,907.86 is: 1,421,235.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,641,425.46 : 2,265,108.03 = 1,029,907.86 : x
  2. Step 2: Convert to fraction form
    1,641,425.46/2,265,108.03 = 1,029,907.86/x
  3. Step 3: Cross multiply
    1,641,425.46x = 2,265,108.03 × 1,029,907.86
  4. Step 4: Simplify right side
    1,641,425.46x = 2,332,852,563,846.12
  5. Step 5: Solve for x
    x = 2,332,852,563,846.12/1,641,425.46
  6. Step 6: Final answer
    x = 1,421,235.76

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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.