Home / 2,657,958.40-3,987,328.80-860,244.40

Finding the Fourth Proportional to 2,657,958.40, 3,987,328.80 and 860,244.40

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Solution

The fourth proportional to 2,657,958.40, 3,987,328.80 and 860,244.40 is: 1,290,493.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,657,958.40 : 3,987,328.80 = 860,244.40 : x
  2. Step 2: Convert to fraction form
    2,657,958.40/3,987,328.80 = 860,244.40/x
  3. Step 3: Cross multiply
    2,657,958.40x = 3,987,328.80 × 860,244.40
  4. Step 4: Simplify right side
    2,657,958.40x = 3,430,077,271,158.72
  5. Step 5: Solve for x
    x = 3,430,077,271,158.72/2,657,958.40
  6. Step 6: Final answer
    x = 1,290,493.21

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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.