Home / 1,073,109.60-1,609,081.20-442,087.20

Finding the Fourth Proportional to 1,073,109.60, 1,609,081.20 and 442,087.20

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Solution

The fourth proportional to 1,073,109.60, 1,609,081.20 and 442,087.20 is: 662,890.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,073,109.60 : 1,609,081.20 = 442,087.20 : x
  2. Step 2: Convert to fraction form
    1,073,109.60/1,609,081.20 = 442,087.20/x
  3. Step 3: Cross multiply
    1,073,109.60x = 1,609,081.20 × 442,087.20
  4. Step 4: Simplify right side
    1,073,109.60x = 711,354,202,280.64
  5. Step 5: Solve for x
    x = 711,354,202,280.64/1,073,109.60
  6. Step 6: Final answer
    x = 662,890.54

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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.