Home / 1,296,021.80-1,937,811.90-960,098.60

Finding the Fourth Proportional to 1,296,021.80, 1,937,811.90 and 960,098.60

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Solution

The fourth proportional to 1,296,021.80, 1,937,811.90 and 960,098.60 is: 1,435,539.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,021.80 : 1,937,811.90 = 960,098.60 : x
  2. Step 2: Convert to fraction form
    1,296,021.80/1,937,811.90 = 960,098.60/x
  3. Step 3: Cross multiply
    1,296,021.80x = 1,937,811.90 × 960,098.60
  4. Step 4: Simplify right side
    1,296,021.80x = 1,860,490,492,253.34
  5. Step 5: Solve for x
    x = 1,860,490,492,253.34/1,296,021.80
  6. Step 6: Final answer
    x = 1,435,539.50

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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.