Home / 1,107,710.88-1,661,418.63-308,925.54

Finding the Fourth Proportional to 1,107,710.88, 1,661,418.63 and 308,925.54

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Solution

The fourth proportional to 1,107,710.88, 1,661,418.63 and 308,925.54 is: 463,347.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,710.88 : 1,661,418.63 = 308,925.54 : x
  2. Step 2: Convert to fraction form
    1,107,710.88/1,661,418.63 = 308,925.54/x
  3. Step 3: Cross multiply
    1,107,710.88x = 1,661,418.63 × 308,925.54
  4. Step 4: Simplify right side
    1,107,710.88x = 513,254,647,438.81
  5. Step 5: Solve for x
    x = 513,254,647,438.81/1,107,710.88
  6. Step 6: Final answer
    x = 463,347.12

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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.