Home / 1,323,562.42-1,980,333.60-784,108.29

Finding the Fourth Proportional to 1,323,562.42, 1,980,333.60 and 784,108.29

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Solution

The fourth proportional to 1,323,562.42, 1,980,333.60 and 784,108.29 is: 1,173,194.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,323,562.42 : 1,980,333.60 = 784,108.29 : x
  2. Step 2: Convert to fraction form
    1,323,562.42/1,980,333.60 = 784,108.29/x
  3. Step 3: Cross multiply
    1,323,562.42x = 1,980,333.60 × 784,108.29
  4. Step 4: Simplify right side
    1,323,562.42x = 1,552,795,992,725.54
  5. Step 5: Solve for x
    x = 1,552,795,992,725.54/1,323,562.42
  6. Step 6: Final answer
    x = 1,173,194.38

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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.