Home / 1,242,048.60-1,861,760.70-708,420.60

Finding the Fourth Proportional to 1,242,048.60, 1,861,760.70 and 708,420.60

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Solution

The fourth proportional to 1,242,048.60, 1,861,760.70 and 708,420.60 is: 1,061,882.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,048.60 : 1,861,760.70 = 708,420.60 : x
  2. Step 2: Convert to fraction form
    1,242,048.60/1,861,760.70 = 708,420.60/x
  3. Step 3: Cross multiply
    1,242,048.60x = 1,861,760.70 × 708,420.60
  4. Step 4: Simplify right side
    1,242,048.60x = 1,318,909,632,150.42
  5. Step 5: Solve for x
    x = 1,318,909,632,150.42/1,242,048.60
  6. Step 6: Final answer
    x = 1,061,882.47

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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.