Home / 1,242,175.70-1,860,967.20-708,110.30

Finding the Fourth Proportional to 1,242,175.70, 1,860,967.20 and 708,110.30

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Solution

The fourth proportional to 1,242,175.70, 1,860,967.20 and 708,110.30 is: 1,060,856.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,175.70 : 1,860,967.20 = 708,110.30 : x
  2. Step 2: Convert to fraction form
    1,242,175.70/1,860,967.20 = 708,110.30/x
  3. Step 3: Cross multiply
    1,242,175.70x = 1,860,967.20 × 708,110.30
  4. Step 4: Simplify right side
    1,242,175.70x = 1,317,770,042,282.16
  5. Step 5: Solve for x
    x = 1,317,770,042,282.16/1,242,175.70
  6. Step 6: Final answer
    x = 1,060,856.40

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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.