Home / 1,242,050.60-1,861,763.70-708,422.60

Finding the Fourth Proportional to 1,242,050.60, 1,861,763.70 and 708,422.60

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Solution

The fourth proportional to 1,242,050.60, 1,861,763.70 and 708,422.60 is: 1,061,885.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,050.60 : 1,861,763.70 = 708,422.60 : x
  2. Step 2: Convert to fraction form
    1,242,050.60/1,861,763.70 = 708,422.60/x
  3. Step 3: Cross multiply
    1,242,050.60x = 1,861,763.70 × 708,422.60
  4. Step 4: Simplify right side
    1,242,050.60x = 1,318,915,480,939.62
  5. Step 5: Solve for x
    x = 1,318,915,480,939.62/1,242,050.60
  6. Step 6: Final answer
    x = 1,061,885.47

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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.