Home / 1,125,327.78-1,687,142.70-366,716.25

Finding the Fourth Proportional to 1,125,327.78, 1,687,142.70 and 366,716.25

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Solution

The fourth proportional to 1,125,327.78, 1,687,142.70 and 366,716.25 is: 549,797.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,125,327.78 : 1,687,142.70 = 366,716.25 : x
  2. Step 2: Convert to fraction form
    1,125,327.78/1,687,142.70 = 366,716.25/x
  3. Step 3: Cross multiply
    1,125,327.78x = 1,687,142.70 × 366,716.25
  4. Step 4: Simplify right side
    1,125,327.78x = 618,702,644,158.88
  5. Step 5: Solve for x
    x = 618,702,644,158.88/1,125,327.78
  6. Step 6: Final answer
    x = 549,797.72

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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.