Home / 1,078,774.12-1,618,336.14-404,908.12

Finding the Fourth Proportional to 1,078,774.12, 1,618,336.14 and 404,908.12

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Solution

The fourth proportional to 1,078,774.12, 1,618,336.14 and 404,908.12 is: 607,427.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,774.12 : 1,618,336.14 = 404,908.12 : x
  2. Step 2: Convert to fraction form
    1,078,774.12/1,618,336.14 = 404,908.12/x
  3. Step 3: Cross multiply
    1,078,774.12x = 1,618,336.14 × 404,908.12
  4. Step 4: Simplify right side
    1,078,774.12x = 655,277,443,975.46
  5. Step 5: Solve for x
    x = 655,277,443,975.46/1,078,774.12
  6. Step 6: Final answer
    x = 607,427.85

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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.