Home / 1,124,133.53-1,686,421.49-325,421.69

Finding the Fourth Proportional to 1,124,133.53, 1,686,421.49 and 325,421.69

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Solution

The fourth proportional to 1,124,133.53, 1,686,421.49 and 325,421.69 is: 488,196.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124,133.53 : 1,686,421.49 = 325,421.69 : x
  2. Step 2: Convert to fraction form
    1,124,133.53/1,686,421.49 = 325,421.69/x
  3. Step 3: Cross multiply
    1,124,133.53x = 1,686,421.49 × 325,421.69
  4. Step 4: Simplify right side
    1,124,133.53x = 548,798,121,268.90
  5. Step 5: Solve for x
    x = 548,798,121,268.90/1,124,133.53
  6. Step 6: Final answer
    x = 488,196.56

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1.5x scale

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.