Home / 1,075,943.20-1,614,145.20-328,064.80

Finding the Fourth Proportional to 1,075,943.20, 1,614,145.20 and 328,064.80

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Solution

The fourth proportional to 1,075,943.20, 1,614,145.20 and 328,064.80 is: 492,167.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,075,943.20 : 1,614,145.20 = 328,064.80 : x
  2. Step 2: Convert to fraction form
    1,075,943.20/1,614,145.20 = 328,064.80/x
  3. Step 3: Cross multiply
    1,075,943.20x = 1,614,145.20 × 328,064.80
  4. Step 4: Simplify right side
    1,075,943.20x = 529,544,222,208.96
  5. Step 5: Solve for x
    x = 529,544,222,208.96/1,075,943.20
  6. Step 6: Final answer
    x = 492,167.45

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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.