Home / 999,075.24-1,498,218.39-399,924.72

Finding the Fourth Proportional to 999,075.24, 1,498,218.39 and 399,924.72

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Solution

The fourth proportional to 999,075.24, 1,498,218.39 and 399,924.72 is: 599,729.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,075.24 : 1,498,218.39 = 399,924.72 : x
  2. Step 2: Convert to fraction form
    999,075.24/1,498,218.39 = 399,924.72/x
  3. Step 3: Cross multiply
    999,075.24x = 1,498,218.39 × 399,924.72
  4. Step 4: Simplify right side
    999,075.24x = 599,174,570,119.60
  5. Step 5: Solve for x
    x = 599,174,570,119.60/999,075.24
  6. Step 6: Final answer
    x = 599,729.18

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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.