Home / 1,492,612.40-2,236,456.20-860,423.60

Finding the Fourth Proportional to 1,492,612.40, 2,236,456.20 and 860,423.60

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Solution

The fourth proportional to 1,492,612.40, 2,236,456.20 and 860,423.60 is: 1,289,215.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,492,612.40 : 2,236,456.20 = 860,423.60 : x
  2. Step 2: Convert to fraction form
    1,492,612.40/2,236,456.20 = 860,423.60/x
  3. Step 3: Cross multiply
    1,492,612.40x = 2,236,456.20 × 860,423.60
  4. Step 4: Simplify right side
    1,492,612.40x = 1,924,299,694,846.32
  5. Step 5: Solve for x
    x = 1,924,299,694,846.32/1,492,612.40
  6. Step 6: Final answer
    x = 1,289,215.94

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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.