Home / 2,658,152.80-3,987,812.40-860,730.40

Finding the Fourth Proportional to 2,658,152.80, 3,987,812.40 and 860,730.40

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Solution

The fourth proportional to 2,658,152.80, 3,987,812.40 and 860,730.40 is: 1,291,284.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,658,152.80 : 3,987,812.40 = 860,730.40 : x
  2. Step 2: Convert to fraction form
    2,658,152.80/3,987,812.40 = 860,730.40/x
  3. Step 3: Cross multiply
    2,658,152.80x = 3,987,812.40 × 860,730.40
  4. Step 4: Simplify right side
    2,658,152.80x = 3,432,431,362,176.96
  5. Step 5: Solve for x
    x = 3,432,431,362,176.96/2,658,152.80
  6. Step 6: Final answer
    x = 1,291,284.44

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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.