Home / 1,520,281.60-2,279,884.80-522,777.60

Finding the Fourth Proportional to 1,520,281.60, 2,279,884.80 and 522,777.60

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Solution

The fourth proportional to 1,520,281.60, 2,279,884.80 and 522,777.60 is: 783,981.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,520,281.60 : 2,279,884.80 = 522,777.60 : x
  2. Step 2: Convert to fraction form
    1,520,281.60/2,279,884.80 = 522,777.60/x
  3. Step 3: Cross multiply
    1,520,281.60x = 2,279,884.80 × 522,777.60
  4. Step 4: Simplify right side
    1,520,281.60x = 1,191,872,704,020.48
  5. Step 5: Solve for x
    x = 1,191,872,704,020.48/1,520,281.60
  6. Step 6: Final answer
    x = 783,981.54

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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.