Home / 1,467,605.20-2,201,407.80-670,443.70

Finding the Fourth Proportional to 1,467,605.20, 2,201,407.80 and 670,443.70

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Solution

The fourth proportional to 1,467,605.20, 2,201,407.80 and 670,443.70 is: 1,005,665.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,467,605.20 : 2,201,407.80 = 670,443.70 : x
  2. Step 2: Convert to fraction form
    1,467,605.20/2,201,407.80 = 670,443.70/x
  3. Step 3: Cross multiply
    1,467,605.20x = 2,201,407.80 × 670,443.70
  4. Step 4: Simplify right side
    1,467,605.20x = 1,475,919,990,640.86
  5. Step 5: Solve for x
    x = 1,475,919,990,640.86/1,467,605.20
  6. Step 6: Final answer
    x = 1,005,665.55

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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.