Home / 1,024,328.80-1,536,493.20-812,821.60

Finding the Fourth Proportional to 1,024,328.80, 1,536,493.20 and 812,821.60

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Solution

The fourth proportional to 1,024,328.80, 1,536,493.20 and 812,821.60 is: 1,219,232.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,024,328.80 : 1,536,493.20 = 812,821.60 : x
  2. Step 2: Convert to fraction form
    1,024,328.80/1,536,493.20 = 812,821.60/x
  3. Step 3: Cross multiply
    1,024,328.80x = 1,536,493.20 × 812,821.60
  4. Step 4: Simplify right side
    1,024,328.80x = 1,248,894,861,213.12
  5. Step 5: Solve for x
    x = 1,248,894,861,213.12/1,024,328.80
  6. Step 6: Final answer
    x = 1,219,232.40

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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.