Home / 1,445,773.36-1,995,218.76-872,701.60

Finding the Fourth Proportional to 1,445,773.36, 1,995,218.76 and 872,701.60

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Solution

The fourth proportional to 1,445,773.36, 1,995,218.76 and 872,701.60 is: 1,204,359.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,445,773.36 : 1,995,218.76 = 872,701.60 : x
  2. Step 2: Convert to fraction form
    1,445,773.36/1,995,218.76 = 872,701.60/x
  3. Step 3: Cross multiply
    1,445,773.36x = 1,995,218.76 × 872,701.60
  4. Step 4: Simplify right side
    1,445,773.36x = 1,741,230,604,202.02
  5. Step 5: Solve for x
    x = 1,741,230,604,202.02/1,445,773.36
  6. Step 6: Final answer
    x = 1,204,359.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.