Home / 1,520,235.60-2,280,353.40-1,396,232.70

Finding the Fourth Proportional to 1,520,235.60, 2,280,353.40 and 1,396,232.70

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Solution

The fourth proportional to 1,520,235.60, 2,280,353.40 and 1,396,232.70 is: 2,094,349.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,520,235.60 : 2,280,353.40 = 1,396,232.70 : x
  2. Step 2: Convert to fraction form
    1,520,235.60/2,280,353.40 = 1,396,232.70/x
  3. Step 3: Cross multiply
    1,520,235.60x = 2,280,353.40 × 1,396,232.70
  4. Step 4: Simplify right side
    1,520,235.60x = 3,183,903,984,636.18
  5. Step 5: Solve for x
    x = 3,183,903,984,636.18/1,520,235.60
  6. Step 6: Final answer
    x = 2,094,349.05

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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.