Home / 1,659,772.60-2,489,075.70-761,644.60

Finding the Fourth Proportional to 1,659,772.60, 2,489,075.70 and 761,644.60

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Solution

The fourth proportional to 1,659,772.60, 2,489,075.70 and 761,644.60 is: 1,142,199.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,659,772.60 : 2,489,075.70 = 761,644.60 : x
  2. Step 2: Convert to fraction form
    1,659,772.60/2,489,075.70 = 761,644.60/x
  3. Step 3: Cross multiply
    1,659,772.60x = 2,489,075.70 × 761,644.60
  4. Step 4: Simplify right side
    1,659,772.60x = 1,895,791,065,896.22
  5. Step 5: Solve for x
    x = 1,895,791,065,896.22/1,659,772.60
  6. Step 6: Final answer
    x = 1,142,199.28

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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.