Home / 1,229,454.40-1,842,213.30-779,369.80

Finding the Fourth Proportional to 1,229,454.40, 1,842,213.30 and 779,369.80

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Solution

The fourth proportional to 1,229,454.40, 1,842,213.30 and 779,369.80 is: 1,167,806.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,454.40 : 1,842,213.30 = 779,369.80 : x
  2. Step 2: Convert to fraction form
    1,229,454.40/1,842,213.30 = 779,369.80/x
  3. Step 3: Cross multiply
    1,229,454.40x = 1,842,213.30 × 779,369.80
  4. Step 4: Simplify right side
    1,229,454.40x = 1,435,765,411,178.34
  5. Step 5: Solve for x
    x = 1,435,765,411,178.34/1,229,454.40
  6. Step 6: Final answer
    x = 1,167,806.96

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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.