Home / 1,467,420.80-2,201,131.20-670,259.30

Finding the Fourth Proportional to 1,467,420.80, 2,201,131.20 and 670,259.30

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Solution

The fourth proportional to 1,467,420.80, 2,201,131.20 and 670,259.30 is: 1,005,388.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,467,420.80 : 2,201,131.20 = 670,259.30 : x
  2. Step 2: Convert to fraction form
    1,467,420.80/2,201,131.20 = 670,259.30/x
  3. Step 3: Cross multiply
    1,467,420.80x = 2,201,131.20 × 670,259.30
  4. Step 4: Simplify right side
    1,467,420.80x = 1,475,328,657,320.16
  5. Step 5: Solve for x
    x = 1,475,328,657,320.16/1,467,420.80
  6. Step 6: Final answer
    x = 1,005,388.95

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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.