Home / 939,832.23-1,407,972.83-728,435.19

Finding the Fourth Proportional to 939,832.23, 1,407,972.83 and 728,435.19

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Solution

The fourth proportional to 939,832.23, 1,407,972.83 and 728,435.19 is: 1,091,276.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,832.23 : 1,407,972.83 = 728,435.19 : x
  2. Step 2: Convert to fraction form
    939,832.23/1,407,972.83 = 728,435.19/x
  3. Step 3: Cross multiply
    939,832.23x = 1,407,972.83 × 728,435.19
  4. Step 4: Simplify right side
    939,832.23x = 1,025,616,952,293.71
  5. Step 5: Solve for x
    x = 1,025,616,952,293.71/939,832.23
  6. Step 6: Final answer
    x = 1,091,276.63

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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.