Home / 1,532,861.20-2,299,534.80-522,078.40

Finding the Fourth Proportional to 1,532,861.20, 2,299,534.80 and 522,078.40

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Solution

The fourth proportional to 1,532,861.20, 2,299,534.80 and 522,078.40 is: 783,200.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,532,861.20 : 2,299,534.80 = 522,078.40 : x
  2. Step 2: Convert to fraction form
    1,532,861.20/2,299,534.80 = 522,078.40/x
  3. Step 3: Cross multiply
    1,532,861.20x = 2,299,534.80 × 522,078.40
  4. Step 4: Simplify right side
    1,532,861.20x = 1,200,537,449,128.32
  5. Step 5: Solve for x
    x = 1,200,537,449,128.32/1,532,861.20
  6. Step 6: Final answer
    x = 783,200.36

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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.