Home / 2,587,892.40-3,882,421.80-790,858.80

Finding the Fourth Proportional to 2,587,892.40, 3,882,421.80 and 790,858.80

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Solution

The fourth proportional to 2,587,892.40, 3,882,421.80 and 790,858.80 is: 1,186,466.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,587,892.40 : 3,882,421.80 = 790,858.80 : x
  2. Step 2: Convert to fraction form
    2,587,892.40/3,882,421.80 = 790,858.80/x
  3. Step 3: Cross multiply
    2,587,892.40x = 3,882,421.80 × 790,858.80
  4. Step 4: Simplify right side
    2,587,892.40x = 3,070,447,445,841.84
  5. Step 5: Solve for x
    x = 3,070,447,445,841.84/2,587,892.40
  6. Step 6: Final answer
    x = 1,186,466.43

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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.