Home / 1,078,773.12-1,618,334.64-404,907.12

Finding the Fourth Proportional to 1,078,773.12, 1,618,334.64 and 404,907.12

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Solution

The fourth proportional to 1,078,773.12, 1,618,334.64 and 404,907.12 is: 607,426.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,773.12 : 1,618,334.64 = 404,907.12 : x
  2. Step 2: Convert to fraction form
    1,078,773.12/1,618,334.64 = 404,907.12/x
  3. Step 3: Cross multiply
    1,078,773.12x = 1,618,334.64 × 404,907.12
  4. Step 4: Simplify right side
    1,078,773.12x = 655,275,218,278.64
  5. Step 5: Solve for x
    x = 655,275,218,278.64/1,078,773.12
  6. Step 6: Final answer
    x = 607,426.35

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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.