Home / 1,299,384.60-1,949,076.90-551,333.40

Finding the Fourth Proportional to 1,299,384.60, 1,949,076.90 and 551,333.40

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Solution

The fourth proportional to 1,299,384.60, 1,949,076.90 and 551,333.40 is: 827,000.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,384.60 : 1,949,076.90 = 551,333.40 : x
  2. Step 2: Convert to fraction form
    1,299,384.60/1,949,076.90 = 551,333.40/x
  3. Step 3: Cross multiply
    1,299,384.60x = 1,949,076.90 × 551,333.40
  4. Step 4: Simplify right side
    1,299,384.60x = 1,074,591,194,138.46
  5. Step 5: Solve for x
    x = 1,074,591,194,138.46/1,299,384.60
  6. Step 6: Final answer
    x = 827,000.10

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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.