Home / 1,618,676.30-2,428,014.45-778,868.30

Finding the Fourth Proportional to 1,618,676.30, 2,428,014.45 and 778,868.30

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Solution

The fourth proportional to 1,618,676.30, 2,428,014.45 and 778,868.30 is: 1,168,302.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,618,676.30 : 2,428,014.45 = 778,868.30 : x
  2. Step 2: Convert to fraction form
    1,618,676.30/2,428,014.45 = 778,868.30/x
  3. Step 3: Cross multiply
    1,618,676.30x = 2,428,014.45 × 778,868.30
  4. Step 4: Simplify right side
    1,618,676.30x = 1,891,103,487,046.94
  5. Step 5: Solve for x
    x = 1,891,103,487,046.94/1,618,676.30
  6. Step 6: Final answer
    x = 1,168,302.45

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Similar ratio
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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.