Home / 1,559,811.20-2,339,716.80-999,939.20

Finding the Fourth Proportional to 1,559,811.20, 2,339,716.80 and 999,939.20

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Solution

The fourth proportional to 1,559,811.20, 2,339,716.80 and 999,939.20 is: 1,499,908.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,559,811.20 : 2,339,716.80 = 999,939.20 : x
  2. Step 2: Convert to fraction form
    1,559,811.20/2,339,716.80 = 999,939.20/x
  3. Step 3: Cross multiply
    1,559,811.20x = 2,339,716.80 × 999,939.20
  4. Step 4: Simplify right side
    1,559,811.20x = 2,339,574,545,218.56
  5. Step 5: Solve for x
    x = 2,339,574,545,218.56/1,559,811.20
  6. Step 6: Final answer
    x = 1,499,908.80

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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.