Home / 1,410,988.95-2,115,871.07-512,131.95

Finding the Fourth Proportional to 1,410,988.95, 2,115,871.07 and 512,131.95

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Solution

The fourth proportional to 1,410,988.95, 2,115,871.07 and 512,131.95 is: 767,975.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,410,988.95 : 2,115,871.07 = 512,131.95 : x
  2. Step 2: Convert to fraction form
    1,410,988.95/2,115,871.07 = 512,131.95/x
  3. Step 3: Cross multiply
    1,410,988.95x = 2,115,871.07 × 512,131.95
  4. Step 4: Simplify right side
    1,410,988.95x = 1,083,605,174,467.03
  5. Step 5: Solve for x
    x = 1,083,605,174,467.03/1,410,988.95
  6. Step 6: Final answer
    x = 767,975.66

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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.