Home / 1,075,629.60-1,616,943.60-762,256.80

Finding the Fourth Proportional to 1,075,629.60, 1,616,943.60 and 762,256.80

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Solution

The fourth proportional to 1,075,629.60, 1,616,943.60 and 762,256.80 is: 1,145,864.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,075,629.60 : 1,616,943.60 = 762,256.80 : x
  2. Step 2: Convert to fraction form
    1,075,629.60/1,616,943.60 = 762,256.80/x
  3. Step 3: Cross multiply
    1,075,629.60x = 1,616,943.60 × 762,256.80
  4. Step 4: Simplify right side
    1,075,629.60x = 1,232,526,254,316.48
  5. Step 5: Solve for x
    x = 1,232,526,254,316.48/1,075,629.60
  6. Step 6: Final answer
    x = 1,145,864.95

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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.