Home / 2,657,998.40-3,987,580.80-860,964.80

Finding the Fourth Proportional to 2,657,998.40, 3,987,580.80 and 860,964.80

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Solution

The fourth proportional to 2,657,998.40, 3,987,580.80 and 860,964.80 is: 1,291,636.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,657,998.40 : 3,987,580.80 = 860,964.80 : x
  2. Step 2: Convert to fraction form
    2,657,998.40/3,987,580.80 = 860,964.80/x
  3. Step 3: Cross multiply
    2,657,998.40x = 3,987,580.80 × 860,964.80
  4. Step 4: Simplify right side
    2,657,998.40x = 3,433,166,705,955.84
  5. Step 5: Solve for x
    x = 3,433,166,705,955.84/2,657,998.40
  6. Step 6: Final answer
    x = 1,291,636.11

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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.