Home / 1,149,159.57-1,585,080.77-718,692.36

Finding the Fourth Proportional to 1,149,159.57, 1,585,080.77 and 718,692.36

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Solution

The fourth proportional to 1,149,159.57, 1,585,080.77 and 718,692.36 is: 991,320.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,159.57 : 1,585,080.77 = 718,692.36 : x
  2. Step 2: Convert to fraction form
    1,149,159.57/1,585,080.77 = 718,692.36/x
  3. Step 3: Cross multiply
    1,149,159.57x = 1,585,080.77 × 718,692.36
  4. Step 4: Simplify right side
    1,149,159.57x = 1,139,185,444,824.45
  5. Step 5: Solve for x
    x = 1,139,185,444,824.45/1,149,159.57
  6. Step 6: Final answer
    x = 991,320.50

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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.