Home / 1,618,603.20-2,428,196.40-672,069.60

Finding the Fourth Proportional to 1,618,603.20, 2,428,196.40 and 672,069.60

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Solution

The fourth proportional to 1,618,603.20, 2,428,196.40 and 672,069.60 is: 1,008,225.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,618,603.20 : 2,428,196.40 = 672,069.60 : x
  2. Step 2: Convert to fraction form
    1,618,603.20/2,428,196.40 = 672,069.60/x
  3. Step 3: Cross multiply
    1,618,603.20x = 2,428,196.40 × 672,069.60
  4. Step 4: Simplify right side
    1,618,603.20x = 1,631,916,983,269.44
  5. Step 5: Solve for x
    x = 1,631,916,983,269.44/1,618,603.20
  6. Step 6: Final answer
    x = 1,008,225.48

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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.