Home / 1,124,557.70-1,686,836.64-325,839.80

Finding the Fourth Proportional to 1,124,557.70, 1,686,836.64 and 325,839.80

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Solution

The fourth proportional to 1,124,557.70, 1,686,836.64 and 325,839.80 is: 488,759.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124,557.70 : 1,686,836.64 = 325,839.80 : x
  2. Step 2: Convert to fraction form
    1,124,557.70/1,686,836.64 = 325,839.80/x
  3. Step 3: Cross multiply
    1,124,557.70x = 1,686,836.64 × 325,839.80
  4. Step 4: Simplify right side
    1,124,557.70x = 549,638,513,410.27
  5. Step 5: Solve for x
    x = 549,638,513,410.27/1,124,557.70
  6. Step 6: Final answer
    x = 488,759.73

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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.