Home / 1,358,865.60-2,038,492.80-412,310.40

Finding the Fourth Proportional to 1,358,865.60, 2,038,492.80 and 412,310.40

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Solution

The fourth proportional to 1,358,865.60, 2,038,492.80 and 412,310.40 is: 618,524.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,358,865.60 : 2,038,492.80 = 412,310.40 : x
  2. Step 2: Convert to fraction form
    1,358,865.60/2,038,492.80 = 412,310.40/x
  3. Step 3: Cross multiply
    1,358,865.60x = 2,038,492.80 × 412,310.40
  4. Step 4: Simplify right side
    1,358,865.60x = 840,491,781,765.12
  5. Step 5: Solve for x
    x = 840,491,781,765.12/1,358,865.60
  6. Step 6: Final answer
    x = 618,524.59

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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.